s 



XX LIST OF PLATES. 



262. The Red Crab, Cancer produclus Randall; male, natural size 771 



Drawing by H. L. Todd, from No. 2529, V. S. N.->tioual Mnseam. San Francisco, California, H. Hemphill. 



263. The California Rock Crab, Cancer antennarim Stimpson; natural size 771 



Drawing by II. L. Todd, from No. 2033, U. S. National Mnsemn. California, 'William .Stimpson. 



264. The Stone Crab, Afempjie mcrcenariiis Gihhea; male, about four-fifths the natural size 772 



Drawing by H. L. Todd, from specimen obtained at Charleston, South Carolina. 



265. The Green Crab, Carcinus mcenas Leach; slightly enlarged 774 



Drawing by J. II. Enn^rtou, from specimen obtained at "Wood's Holl, Massachasetts, 1882. 



266. The Lady Crab, Flalyonichiis oceJUitiis hatreiXle; about one-third larger than natural size 774 



Drawing by J. II. Emcrtou, from apecimea obt.iiued at 'Wood's Holl, Massachusetts, 1881'. 



267. The Common Edible or Blue Crab Callhiecte^ liaatatus Ordway ; male, somewhat smaller than natural size. 775 



Drawing by J. H. Emcrton, from specimen obtained at "Wood's Holl, Massachusetts, 1S82. 



268. The Kelp Crab, EpiaJtus produclus Randall ; female, natural size 778 



Drawing by H. L. Todd, from No. 2139, U. S. National Museum. Pacific coast of the Ui'ited States, Dr. Suckley. 



269. Fig. 1. The Fiddler Crab, GetosMHusjjuji/a^or LatrelUe; male, slightly enlarged 763 



Fig. 2. The Oyster Crab, Pinnotheres ostreiim Say; male, enlarged four diameters 765 



Fig. 3. The Mud Crab, Panopeus depressus Smith ; male, natural size 772 



Figs. 4, 5. The .Spider Crabs. Fig. 4, Libinia emarginata Leach; male. Fig. 5, IJbinia diibia Edwards; 



male. Both three-fourths natural size 778 



Fig. 6. The Sand Bug or Bait Bug, Hippa lalpolda Say ; enlarged about two diameters 779 



Fig. 7. The Hermit Crab, Eupagurua bernliardus Brandt; about natural size 7f0 



Drawings by J. H. Emcrton. 



270. The Spiny Lobster or Rock Lobster, Panuliriis interniptua Randall ; somewhat smaller than natural size. . . 780 



Drawing by H. L. Todd, from specimen obtained on the coast of California. 



271. The American Lobster, Homarus americanus Edwards; male, much below natural size 781 



Drawing by J. H. Emerton, from specimen obtained at Eastport, Maine, 1882. 



272. The River Cray-fish, Camharus affinis Erichson ; one and one-half times t ho natural size 812 



Drawing by H. L. Todd, from specimen obtained at Havre do Grace, Maryland. 



273. The Southern Shrimp, Penceus seliferus Edw aids; about one-fifth larger than natural size 821 



Drawing by J. H. Emerton, from specimen obtained on the coast of Louisiana. 



274. The Mantis Shrimp, Squilla empusa Say ; natural size 823 



Drawing by H. L. Todd, from No. 375'2, U. S. National Museum. "Wood's Holl, Massachusetts, Y. N. Edwards. 



275. Fig. 1. The Common Shrimp, Crangon vulgaris Fabr. ; male, natural size 816 



Fig. 2. The Common Prawn, Palainoiietes vulgaris Stimpson; mule, enlarged one and one-half diameters. 



Fig. '3. The Deep-water Prawn, Pandalus Moutagui Leach ; slightly smaller than natural size. 

 Fig. 4. The Beach-Flea, Orchestia agilis Smith; male, enlarged five diameters. 

 Fig. 5. The Scud, Gammarus locusta Gon'.d; male, enlarged two diameters. 

 Fig. 6. The Boring Amphi pod, Chehtra terebrans PhiWiiti; enlarged about fourteen diameters. 

 Fig. 7. The Gribble, Limvoria lignorum White ; enlarged ten diameters. 

 Fig. 8. The Salve Bug, Mga x'sora Kroyer; young specimen, enlarged three diameters. 

 Fig. 9. The Horse-Shoe Crab, Limuhis Poh/phemus Latreille; much smaller than natural size. 

 Drawings by J. H. Emerton, S. I. Smith, aud 0. Harger. 



276. Marine Annelids, used as bait 832 



Figs. 1,2,3. Nereis pelagica Linn€. Fig. 1, larger figure, female ; smaller, male; natural size. Fig. 2, head. 



Fig. 3, proboscis, enlarged. 

 Fig. 4. Nereis limbata Ehlers; male, anterior part of body, head, and extended proboscis, enlarged. 

 Figs. 5, 6. Diopaira cuprea Clapar^de. Fig. 5, head aud anterior part of body, showiug part of (he brauchije, 



side view. Fig. 6, veutral view, showing the mouth open and jaws thrown back, enlarged. 

 FniS.7,8, 9. Clgmenella torqualaVeriill. Fig. 7, entire animal, side view, natural size. Fig. 8, head and 



extended proboscis, front view, enlarged. Fig. 9, posterior and caudal segments, dorsal view, 



enlarged. 

 Drawings mostly by J. H. Emerton. 



277. FiG.l. The Sea-Cucumber, Pen (acto/roK^oso Jajger; much smaller than natural size 840 



Fig. 2. The Green Sea Urchin, Strongi/Jocentrotus Driibachiensis A. Ag. ; side view, much smaller than natural 



size. 

 Fig. 3. The Sand Dollar, Echinarachnius parma (<ray; upper surface, with the spines mostly removed, 



natural size; a, ambulacral zones; ft, iuter-ainbulacral zones. 

 Fig. 4. The Star-fish or "Five Finger," Aslcrias /'orfcesii Verrill ; much smaller than natural size. 

 Figs. 5, G, 7. The .lelly Fishes. Fig. 5, Zijr/odaelyla Grwnlandiea Agassiz ; profile view, one-half u.-itural size. 



Fig. 6, Jurelia flaridula Peron and Le Sneur; dorsal view, about one-fourth n,atural size. Fig. 7, 



Dacl^iomelra quinqueeirra Agassiz ; lateral view, oue-fourlh natural size. 



