710 



INDEX. 



Mites, 359 



Moa, 538 



Moccasin snake, 500 



MolacantlmsPallasii, 463 



Mola rotunda, 462 



Mole, 587 



Molgula, 197 



Mollusca, development of, 253, 263 



structure of, 240 

 Molluscs, edible, 268 

 Monads, 31 

 Monas termo, 31 

 Monera, 18, 20 

 Money, shells used as, 269 

 Monitor, 504 

 Monkey, 619 

 Monocaulus, 60 

 Monodelphia, 571, 577, 629 

 Monodon monoceros, 594 

 Monograptus, G2 



Monostomum, development of, 149 

 Monotremes, 571 

 Morphology, 5 

 Morula, 43 



Mosasaurus maximus, 500 

 Mosquito, 377 

 Moths, 378 

 Mound bird, 546 

 Mouse, 586 



Mucous canal of fishes, 442 

 Mud dauber, 383 

 Mud fish, 432 



puppy, 478 



sun fish, 443 

 Mullet, 443 

 Mus, 586 



Musca domestica, 375 

 Musical fishes, 443 

 Music of mammals, 569 

 Mussa, 80 

 Mussel, edible, 248 



development of, 254 

 Mustela foina, 617 

 Mustelus canis, 420 



laevis, 420 



vulgar! s, 420 



Muzir, 604 



Mya arenaria, 242 



My gale avicularia, 363 



Hentzii, 36& 

 Myliobatis, 416, 424 



fremenvillii, 422 

 Mylodon, 579 

 Myriopoda, 356, 385 

 Myriotrochus Rinkii, 134 

 Myriozoum subgracile, 180 

 Mysis, 313 

 Mysticete, 592 

 Mytilus edulis, 248 

 Myxine, 409 



NAJA, 499 



Nanemys guttatus. 510 



Narwhale, 594 



Nasua, 615 



Natatores, 544 



Natica heros, anatomy of, 261 



Natrix torquata, 495 



Nauplius, 294 



Nautilus pompilius, 280 



Nebalia, 311 



bipes, 312 



Necturus lateralis, 478 

 Nematelminthfs, development of, 

 164 



structure of, 163, 175 

 Nematodes, 167, 175 

 Nematogene, 141 

 Nemertian worms, 216 

 Nemertina, development of, 217 



structure of, 216, 219 

 Neocarida, 292, 325 

 Neochanna, 452 

 Nephila plumipes, 363 

 Nereis virens, anatomy of, 231 

 Nervous system, 638 

 Nervous system, of ctenophores, 92 



liydrozoa, 62, 65 

 Nests of birds, 536 

 Neuroptera, 365, 386 

 Neurula stage of leeches, 228 



worms, 230 



