224 PANAMIC DEEP SEA ECHINI. 



At Station 3394 in 511 fathoms, we obtained in Panama Bay Brissopsis 

 columbaris and Schizaster Townsendi. 



At Station 3363 in 978 fathoms, N. E. of Cocos Island, we obtained 

 Dermatodiadema horrid um and Homolampas hastata. 



At Station 3431 in 995 fathoms. Gulf of Panama, we dredged Phormo- 

 soma hispid um, Schizaster Townsendi, Pourtalesia Tanneri, Schizaster lati- 

 frons, Urechinus giganteus. 



At Station 3376 in 1132 fathoms, south of Malpelo, we obtained Salenia 

 miliaris, Homolampas hastata, Phorraosoma hispidum, Dermatodiadema 

 horridum. 



At Station 33G2 in 1175 fathoms, Mariato Point to Cocos Island, we 

 obtained Salenia miliaris, Phormosoma hispidum, Dermatodiadema horri- 

 dum, Aerope fulva. 



At Station 3411 in 1189 fathoms, between Bindloe and "Wenmam 

 Islands, we obtained Salenia miliaris and Pourtalesia Tanneri. 



At Station 3375 in 1201 fathoms, south of Malpelo, and at Station 3400 

 in 1322 fathoms, Galera Point to Galapagos, we obtained Phormosoma his- 

 pidum and Dermatodiadema horridum. 



At Station 3413 in 1360 fathoms, northwest of Culpepper Island, we 

 obtained the same species, and in addition, Salenia miliaris. 



At Station 3361 in 1471 fathoms, from Mariato Point to Cocos Island we 

 obtained Salenia miliaris and Aerope fulva. 



At Station 3398 in 1573 fathoms, off Galera Point, we obtained Derma- 

 todiadema globulosum, D. horridum, Echinocrepis setigera, Periaster tenuis 

 and Aerope fulva. 



At Station 3360 in 1072 fathoms, southwest of Mariato Point, we 

 obtained Porocidaris Milleri, Salenia miliaris and P. Rathbuni. 



At Station 3399 in 1740 fathoms, off Galera Point, we obtained Poro- 

 cidaris Milleri, Aerope fulva, Echinocrepis setigera and Periaster tenuis. 



At Station 3381 in 1772 fathoms, off Galera Point, we obtained 

 Dermatodiadema globulosum, D. horridum, Aerope fulva, Porocidaris Milleri 

 and Periaster tenuis. 



At Station 3382 in 1793 fathoms, off Point Mala, we obtained Dialitho- 

 cidaris gemmifcra and Brissopsis columbaris. 



At Station 3415 in 1879 fathoms, off Acapulco, we obtained Porocidaris 

 Milleri, Echinocrepis setigera and Cystechinus Loveni. 



Out of forty-one stations at which Echiui were collected, at twenty-five 

 stations only one species was found, and at sixteen more than one: viz., at 



