XXXIV LIST OF PLATES. 



262. The Red Crab, Cancer productus Randall ; male, natural size 7T1 



Drawing by H. L. Todil, from No. 2529, U. S. National Museum. San Francisco, California, H. Hempuill. 



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



Drawing by IT. L. Todd, from No. '2033, U. S. Niitional Museum. California, William Stinipson. 



264. The Stone Crab, .l/ri>i/;/>c iniriviinriiix (libbes; male, about four-fifths the natural size 772. 



Drawing by II. L. Tml<l, from specimen obtained at Charleston, Soutb Carnliiiu. 



265. The Green Crab, Card mm iitii-nux Leach; slightly enlarged 774 



Dra\\ ing by J. II. Emt-rton. from specimen obtained at "Wood's Holl, Massachusetts, 1882. 



260. The Lady Cr.ib, Platyonichus ocdlatim Latre.illo ; about one-third Larger than natural size 774 



Drawing by J. II. Einerton, from specimen obtained at Wood's Uoll, Massachusetts, 1S8-. 



267. The Coiuiuoii Edible or Bine Crab Cul/hiectex hastatus Ordway; male, somewhat smaller than natural size. 775- 



Drawing by J. H. Emerton, from specimen obtained at Wood's Hull, Massachusetts, 1882. 



268. The Kelp Crab, Epialtus productus Randall ; female, natural size 778 



Drawing by H. L. Todd, from No. 2139, U. S. National Museum. Pacific ?oast of tbe United States, Dr. Suckley. 



269. FIG. 1. The Fiddler Crab, Gelasimits pugilator Latreille; male, slightly enlarged 763 



FIG. 2. The Oyster Crab, Pinnotheres ostrcum 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, Libiuia emarginata Leach; male. Fig. 5, Libinia dubia Edwards; 



male. Both three-fourths natural size 778 



FIG. 6. The Sand Bug or Bait Bug, Hippo, talpoida Say; enlarged about two diameters 779 



FIG. 7. The Hermit Crab, Eupugtinis bernliardus Brandt; about natural size 780 



Drawings by J. H. Emerton. 



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



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



271. The American Lobster, Somarus ame-ricanus Edwards; male, much below natural size 781 



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



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



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



273. The Southern Shrimp, Penceus seliferus Edw ards; 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 einpusa Say; natural size 823 



Drawing by H. L. Todd, froai No. 3752, U. S. National Museum. Wood's Holl, Massachusetts, V. N. Edwards. 



275. FIG. 1. The Common Shrimp, Crdiigon iniJgaris Fabr. ; male, natural size 816 



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



FIG. 3. The Deep-water Prawn, PandaUis Honlagui Leach; slightly smaller than natural size. 

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

 FIG. 5. The Scud, Gammarus locitsta Gou'd ; male, enlarged two diameters. 

 FIG. 6. The Boring Amphi pod, Chelura tertbratis Phillipi; enlarged about fourteen diameters. 

 FIG. 7. The Gribble, Limnoria lignoriim White; enlarged ten diameters. 

 FIG. 8. The Salve Bug, JEga, psora Kroyer; young specimen, enlarged three diameters. 

 FIG. 9. The Horse-Shoe Crab, Limulus Polyphemus Latreille; much smaller than natural size. 

 Drawings by J. H. Etnertou, S. I. Smith, and O. Harger. 



276. Marine Annelids, used as bait 83 



FIGS. 1,2,3. Nereis pelayica Linnet Fig. 1, larger figure, female; smaller, male; natural size. Fig. 2, head. 



Fig. 3, proboscis, enlarged. 



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

 FIGS. 5, 6. Uiopatra, cuprea Clapare'de. Fig. 5, head and anterior part of body, showing part of the branching 



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

 FIGS. 7,8, 9. Clymenella torquata Verrill. 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. 1. The Sea-Cucumber, Pent.acta frondosa JiBger; much smaller than natural size 840 



FIG. 2. The Green Sea Urchin, Strongylocentrotus Drobacliieiisis A. Ag. ; side view, much smaller than natural 



size. 

 FIG. 3. The Sand Dollar, Echinarachnius parma Gray; upper surface, with the spines mostly removed, 



natural size; a, ambulacra! /.ones; T>, iuter-ambulaeral zones. 



FlG. 4. The Star-fish or "Five Finger," Aslerias Forbesii Verrill ; much smaller than natural size. 

 FIGS. 5, 6, 7. The Jelly Fishes. Fig. 5, Zyt/oilactyla Grcenlandica Agassiz ; profile view, one-half natural size. 



Fig. 6, Aureliu flamduhi Peron and Le Sueur; dorsal view, about one-fourth natural size. Fig. 7, 



Dactylomelra qmnqnecirra Agassiz ; lateral view, one-fourth natural size. 



