I ^ D E X. 



Acanthoayx Petiverii, 33. 

 Acanthoplax, 114. 



insignis. 126, 115. 

 Acheloiis Ordwayi, 9, 34. 



Sebffi, 34. 



spinimauiis, 9, 34. 

 Agarum Tunieri, 344. 

 Ahnfeltia plicata, 346. 

 Alaria esculenta, 843. 

 Algaj, list of, marine, collected near East- 

 port, Maine, by D. 0. Eaton, 343. 

 Alpheus armillatus, 23. 



heterochelis, 23, 39. 



lutarius, 23. 



malleator, 40. 



tridentulatus, 40. 

 Anomia, sp., 206. 

 Anomoura, 17, 38. 

 Aphera Peruana, 190. 



tessellata, 190. 

 Aratus Pisonii, 38. 

 Area grandis, 204. 



Larkinii, 204. 



tuberculosa, 204. 

 Arenteus cribrarius, 35. 

 Argobuccinum Zorritense, 196. 



Blake, W. P., Geology of the island of 



Yesso, Japan, 293. 

 Bosciadaj, 146. 

 Boscia, 146. 



Bocourti, 146. 



dentata, 147. 



denticulata, 146. 



gracilipes, 146. 



macropa, 146. 



sinutifrons, 147. 

 Brach}'ura, 1, 32. 



Brazilian podoplithalmia, list of the de- 

 scribed species of, 31. 

 Bridge, design for, across the East River, 



by W. P. Trowbridge, 263. 

 Bulla Adamsii, 186. 



Calcinus obscurus, 17. 



sulcatus, 17, 39. 



tibicen, 17. 

 Callapoidea, 38. 

 Calliblepharis ciliata, 346. 

 Callinectes Danaj, 7, 34. 



diacanthus, 7. 



larvatus, 9, 34. 



ornatus, 8, 34. 



Calliostoma lima, 187. 



noduliferura, 187. 

 Callithamnion Americauum, 348. 



floccosum, 348. 



Pylaissei, 348. 



Rothii, 348. 

 CaUopoma lineatum, 186. 

 Cancellaria Bradleyi, 192. 



Larkinii, 192. 



spatiosa, 191. 



tessellata, 190. 



triangidaris, 191. 

 Cancer cordatus, 13, 15. 



coronatus, 1. 



gonagra, 7. 



hispidus, 2. 



Jamaicensis, 23. 



ruricola, 11. 



sclopetarius, 13. 



uca, 13. 



vocans major, 122. 



vocator, 127. 

 Cancroidea, 33. 

 Carcinus Msenas, 35. 

 Cardiosoma, 142, 150. 



armatum, 16. 



carnifex, 16. 



crassum, 144. 



diurum, 16. 



guanhumi, 16, 36, 143. 



quadratum, 16, 36, 143, 144. 

 Cardium, 203. 

 Cenobita Diogenes, 38. 

 Cenobitidae, 38. 

 Ceramium Hooper i, 347. 



rubrum, 347. 

 Chffitomorpha Melagonium, ;')49. 



tortuosa, 349. 

 Chasmagnathus granulatus, 37. 

 Chelonian and human shoulder-girdle, nui^ 



cles of, by H. S. Williams, 301. 

 Chione, 202, 203. 



amathusia, 202. 



gnidia, 202. 



variabilis, 202. 

 Chlorodius Floridanus. 3, 34. 

 Chondrus crispns, 347. 

 Chorda Filum, 344. 



lomentaria, 344. 

 Chordaria flagelliformis, 344. 

 Cladophora arcta, 348. 



flexuosa, 349. 

 Clavella distorta, 199. 



