CLASSIFICylTlON OF ANIMALS 349 



Class V. AEAcH'NIDA. 



Labyrinth-spider, running spider, Lycos'idae, 

 trap-door spider, turret-spider, tarantula, jump- 

 ing spider, At'tidae, Thomis'idae, crab-spider, 

 Mvgd'le, Argt'ope, Epei'ridse, Tetragndth' a sp., 

 triangle-spider, Hyptio'tes sp. 



BRANCH XI. MOLLUS'CA. 



Class I. PiLECYP'ODA. 



Oyster, Os'trea virginiana, Pho'las, Chloros' tomum 

 funebrale, clam. 

 Class II. AMPHINEU'KA. 

 Class III. GASTRdP'ODA. 



Snail, slug, Arioli'max calif ornica, nudibranch, 

 Do'ris tuber culd'ta, Echinodoris , Trid'pha mo- 

 desta, Pur'pura saxicola, Liitori'na scutulata, Ac- 

 mara spectrum, Myt'ilus californianus. 

 Class IV. CiPHALdP' OBA. 



Squid, Ommds' trephes calif ornica. 



BRANCH XII. CHORDA' TA. 



Sub-branch I. adelochor' da. Class adelochoeda. 

 Sub-branch II. urOCHOR'DA. Class TTROCHORDA. 

 Sub-branch III. vertebra' ta. 



Division A. acra'Nia. Class ACEANIA. 

 Division B. crania'TA. 

 Class I. C?CL0ST6M'ATA. 

 Class 11. PiS'CES (pissez). 



Catfish, sunfish, Antenna' rius, pipefish, sea-horse, 

 salmon, stickleback, bass, dogfish, trout, her- 

 ring, goby, darter, perch, bullhead, horned 

 pout, sucker, minnow, chub, charr, whitefish, 



