INVERTEBRATES AND FISHES COLLECTED IN THE 

 ALEUTIANS, 1936-38, by Victor B. Scheffer 



Page 



Introduction 365 



Marine algae 367 



Marine invertebrates 370 



Sponges 370 



Coelenterates 370 



Hydroids 370 



Jellyfishes 370 



Flatwoi-ms 371 



Roundworms 371 



Nemertean worms 371 



Brachiopods 371 



Annelid worms 371 



Echinoderms 372 



Brittle stars 372 



Starfishes 372 



Sea urchins • 373 



Sea cucumbers 375 



Crustaceans 375 



Copepods 375 



Barnacles 376 



Amphipods 377 



Isopods 379 



Shrimps 379 



Hermit crabs 379 



Anomuran crabs 381 



Other crabs 381 



Mollusks 381 



Bivalves 381 



Snails and sea slugs 383 



Chitons 385 



Devilfishes 386 



Fresh-water invertebrates 387 



Ci'ustaceans 391 



Cladocerans 391 



Copepods 391 



Ostracods 391 



Mollusks 391 



Land invertebrates 392 



Mollusks 392 



Beetles 392 



Bird lice 393 



Diptera 393 



^ ers ::::::::::: 395 



Fishes 



Literature cited 406 



xi 



