It is time for a new (approximately monthly) round-up of all known blog carnivals. If you want to trace the history of carnivals, see how they are born, grow, metamorphose, mature, reproduce, age and die, as well as more about them, compare this one to the previous Meta-Carnivals: One, Two, Three and Four.
For entering many of the carnivals, you can use the Universal Blog Carnival Submission Form.
Here they are, in no particular order (except that I am more likely to read, link to and send entries to those closer to the top of the list), the link to the homepage/archive (or equivalent blog-post) comes first, followed by the link to the latest issue and, then, by the link to the host of the next edition (or the best place to look for one):
Tangled Bank (science, nature, medicine, environment, and the interface between science and society) Previous Next
The Tar Heel Tavern (North Carolina blogging) Previous Next
Skeptic's Circle (debunking pseudoscience and quakery) Previous Next
Carnival of Bad History (debunking misuse of history) Previous Next
Carnival of Un-Capitalists (economy from a Progressive/Liberal perspective) Previous Next
Carnival of Education (education) Previous Next.
Carnival of the Godless (a skeptical look at religion) Previous Next
Grand Rounds (medicine, nursing, health-care), Previous Next
History Carnival (history) Previous Next
Karnival of Kidz (children: pictures and stories) Previous Next.
Nursing Moments (nursing) Previous Next
Carnival of the Balkans (blogging in, from, or about the Balkan countries) Previous Next (on brief hiatus, but will return soon)
Smarter Than I (best posts selected by readers, not self-selected) Previous Next
New Blog Carnival Showcase Extravaganza (introducing new, young blogs) Previous Next
Carnivalesque (early modern history) Previous Next
Philosopher's Carnival (philosophy) Previous Next
Carnival of Tomorrow, (blogging about the future) is new to me and there are already three issues out: 1.0, 2.0, 3.0.
Blog Tower (best writing of the Progressive blogosphere, thematically not limited to politics) Previous Next
Blawg Review (law and legal scholarship) Previous Next
Friday Ark (animals of all kinds) Previous Next
Carnival of Dogs (dogs) Previous Next
Carnival of the Cats (cats) Previous Next
Carnival Of The Gamers (computer and video games) Previous Next.
Rascal Fair (Montana blogging) Previous Next
Cavalcade of Canucks (Liberal Canadians) Previous Next
Blog Of The Day (daily carnival showcasing one blog per day)
Blogging For Books (about books) Previous Next
Storyblogging Carnival (stories writen by bloggers) Previous Next
Carnival of Recipes (yummy) Previous Next
Carnival of the Runners (running) Previous Next
The Carnival Of NBA (professional basketball) Previous Next
Carnival of Comedy Previous Next
Homespun Bloggers Symposium (building and strengthening a blogging community, including audio-blogging) Previous Next
Watcher of Weasels (competitive, "Survivor"-like, "best of" carnival) Previous Next
Carnival of the Optimists (optimism) Previous Next
Carnival of the Liberated (Iraq) Previous Next
Carnival of Vanities (the first, oldest, biggest - the original carnival of best blogging) Previous Next
The Best Of Me Symphony (guest-edited best of older blog-posts) Previous Next
Carnival of Capitalists (economy from a Conservative perspective) Previous Next
Carnival of Revolutions (freedom movements around the world) Previous Next
Asia By Blog (Asian blogs)
Haveil Havalim (Vanity of Vanities Initiative) (Israel and Jewish blogging) Previous Next
BritBlog Roundup (British blogs) Previous Next
Carnival of Cordite (guns) Previous Next
Christian Carnival (Christianity) Previous Next
Christian Views Symposium (answering questions on Christian topics) Previous Next
Celebration of the New Christian Fiction (Christian stories) Previous Next
Vox Apologia (Christian apologetics) Previous Next
Catholic Carnival (Catholicism) Previous Next
Sneak's Wide World of Blogging (host-edited best of blogging) Previous Next
Red Ensign Standard (Canadian Conservatives) Previous Next
Bonfire of the Vanities (the worst blog posts) Previous Next
Bharteeya Blog Mela (Indian blogs) Previous Next
Carnival of Insanities Previous Next
Unfortunately, it appears that Carnival of Sin (seven deadly sins) is dead.
How about the Poetry Carnival (poetry)? Is it defunct? Check here.
Carnival of Poets also appeared to have had only one edition.
If a carnival is missing from this list, or if I messed up a link, please let me know.