XXXIV LIST OP PL.\TES. 



26'2. The Eed Crab, Cancer productus Randall ; male, natural size ^'^ 



Drawing Ijy H. L. Todd, from No. 2529, U. S. National Mnsoum. San Francisco, California, H. Hemphill. 



263. The California Eock Cr.ib, Cancer antennarius Stinipson; natural size '''71 



Drawing by H. L. Todd, from No. 2033, U. S. National Museum. CaUfoTuia, "SVilliam Stimpson. 



264. The Stone Cr.ali, Mxruppe mercenarim Giblies; male, about fonr-fifths tlio natural size 772 



Drawing Ijy H. L. Todd, IVom specimen obtained at Ciiarleiton, Soutli Carolina. 



265. The Green Crab, Carc'm us mwnax Leach ; .slightly enlarged 774 



Drawing liy J. II. Emorlon, from specimea obtained at AVood's Holl, Massachusetts, 1882. 



266. The Lady Crab, Plalijonichiis orc!latiis hMrfiUe; al)ont one-third larger than ii.Ttnral size 774 



Drawing by J. II. Eniertoii, from specimen obtained at AVood'.s Holl, Massai luisetts, 1882. 



267. The Common Edible nr Blue Crab CullUiectex haslatus Ordway; male, somewhat smaller than natural size. 775 



Drawing by J. H. Emeiton, from specimen obtained at Wood's Holl, Massachusetts, 1882. 



268. The Kelp Crab, Jipialtiis prudiwtiis Randall ; female, natural size 778 



Drawing by H. L. Todd, from No. 2139, XJ. S. National Museum. Pacific coast of the Dnited States, Dr. Snckley. 



269. Fig. 1. The Fiddler Crab, GelaKimus puf/HatorhntreiUe; male, slightly enlarged 763 



Fig. 2, The Oyster Crab, Pinnotheres ostretim Say ; male, enlarged four diamett-rs 765 



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



Figs. 4, 5. The Spider Crabs. Fig. 4, Libiitia emaryinata Leach; male. Fig. 5, Libinia dubia Edwards; 



male. Boih t.hree-fourtha natural size 778 



Fig. 6. The Sand Bng or Bait Bug, Rippa talpoida &a,y \ enlarged about two diameters 779 



Fig. 7. The Hermit Crab, ii'tt/)ai7«)-HS 6crft/iar(J«s Brandt; about natural size 780 



Drawings by J. H. Emerton. 



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



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



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



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



272. The River Cray-fisli, Cambarus affin'is 'E^tiiihson; one and one-half times t he natural size 812 



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



273. The Southern Shrimp, Penwus seliferiis 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, Sqailla empusa Say ; natural size 823 



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



275. Fig. 1. The Common Shrimp, CrangoiivuUjarisVahT:.; male, natural size 816 



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



Fig. 3. 'I'he Deep water Prawn, Pandalm Monlagiii Leach; slightly smaller than natural size. 



Fig. 4. The Beach-Flea, Orchestia ag'ilis Smith; male, enlarged live diameters. 



Fig. 5. The Scud, GammaruslocitstaGon'A; male, enlarged two diameters. 



Fig. 6. The Boring Amphipod, Chelnra terebrans TiaWiiA; enlarged about fourteen diameters. 



Fig. 7. The Gribble, Limnoria lignoritni White; enlargedten diameters. 



Fig. a. The Salve Bug, ^ga psora Kroyer; young specimen, en larged three diameters. 



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

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



276. Marine Annelids, used as bait 832 



Figs. 1,2, 3. Nereis jielagica Lin-a6. Fig. 1, largerfigure, female; smaller, male; natural size. Fig. 2, head. 



Fig. 3, proboscis, enlarged. 

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

 Figs. 5, 6. Diopatra cuprea Clapar^de. Fig. 5, head and anterior part of body, showing part of the branchijB, 



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

 Figs. 7,8, 9. Clymenella torquata VeiuU. Fig. 7, entire auimal, 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, Pentactafrondosa Jaagei; much smaller than natural size 840 



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



size. 

 Fig. 3. The Sand Dolhir, Echinarachnins parwa Gray; upper surface, with the spines mostly removed, 



natural size; a, ambulacra! zones; 6, inter-ambulacral zones. 

 Fig. 4. The Star-fish or "Five Finger," Asterias /^orftesti Verrill; much smaller than natural size. 

 Figs. 5, 6, 7. The Jelly Fishes. Fig. 5, Zygodactyla Grainlandica Agassiz ; profile view, one-half natural size. 



Fig. 6, Aurelia flavidula Perou and Le Sueur; dorsal view, about one-fourth natural size. Fig. 7, 



Dactylometra quinguecirra Agassiz ; lateral view, one-fourth natural size. 



