SYSTEMATIC IXPHX. 



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4. maculata, Grnii 400 



5. bovina, Geofr'. 490 



G. nieiihofii, liJ. Schn 401 



7. inilvus, M. ^11 401 



bispinosus, Storvr 488 



freminvillii, LcuKcxr . . 488 



vespertilio, Ginird .... 480 



22. Aetobatis, M. ^11. 402 



1. narmam,£iip/irasen .... 402 



23. llhinoptera, Kith/ 403 



1. inai'ginata, Ckv 403 



2. jussieui, Cuv 403 



3. lalandii, 31. S,- II. 404 



4. javanica, M. S,- II. 404 



5. quadriloba, Lesiiciir .... 404 



6. adspersa, M. ^- II. .... 404 



7. polyodon, Gthr 40r) 



pell, 2?/At 403 



(xroup B. Ceratoptf,rin.\ 



24. Dicerobatis, Blaiim 496 



1. gioriia?, Z«( '" 406 



2. japoniea, M. ^- II. .... 406 



3. eregoodoo, Cant 407 



4. kuhlii, M. i^- IL 497 



5. olfersii, Midi. 497 



25. Ceratoptera, M. S,- H. .... 497 



1. vampyrus, 3Iitch 498 



2. ehrenbergii, M. ^- H. . . 408 



Subclass V. CYCLOSTOMATA. 



Fam. 1. PETROMYZONTID.E. 



1. Petromyzon, Artedi 500 



1. marinus, L 501 



2. fluviatilis, L 502 



3. branchialis, L 504 



4. avresii, Gthr 505 



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r'5. macrostomtis, Burm. . . 506 



argenteiis, Kirtl 500 



laniottenii, Lcsiieiir .... 500 



appendix, Dekoy 500 



coiicolor, Kirtl 500 



bicolor, Lemeiir 500 



unicolor, Dehaj/ 500 



borealis, Agass 500 



(•!T>ruleus, Philippi .... 500 



laiulbecld, rhilippi .... 500 



riiiloptoms, Philippi 500 



a?pyptera, Abbott 500 



caiiitscbaticus, Pall 500 



2. lobthyomyzon, Gthr 506 



1. tridentatus, Rich 506 



2. a.«itori, Girard 507 



3. castaneus, Girard 507 



4. hirudo, Girard 507 



3. Mordacia, Grai/ 507 



1. mordax, liich 507 



4. Geotvia, Grai/ 508 



1. aiistvalis, Gray 508 



2. chilensis, Gray 509 



Fam. 2. Myxinid.^. 



1. Myxine, L 510 



1. glutinosa, L 510 



2. amms, Gthr 511 



3. australis, Jen 511 



2. Bdellostonia, 3mi 511 



1. ciiThatiim, Forst 511 



2. polytrema, Girard .... 512 



Subclass VI. LEPTOCARDII. 



Fam. CiRROSTOMi. 



1. Branchiostoma, Costa .... 513 



1. lanceolatum, Pall 513 



