PHORMOSOMA ZKALAXDUE. 



105 



The genitals and oculars as well as the large outer anal plates carry small 

 secondaries. 



Station 3374, southwest, of Malpelo, 1823 fathoms. Lat, 2° 35' N. ; Long. 

 83° 53' W. Bott. temp. 36.4. Green ooze. 



130 in in. 



Fig. 150. Phormosoma iwnamense. 



Phormosoma zealandise A. Ag. 



Astheuoaoma gracile A. Ag. (pars) " Challenger " Echinoidea, p. 89. 



Plate 51, figs. /-;. 



In the "Challenger" Echinoidea 1 when describing A. gracile, of which 

 there was only a single large specimen, I expressed considerable doubt 

 regarding the determination as A. gracile of certain small specimens col- 

 lected by the Expedition at Stations 184, 219. Having made that state- 

 ment, I am taken to task by Dr. Mortensen 2 for having made a statement 

 in one place and not having repeated it somewhere else ; " this way of 

 proceeding is very objectionable." 



Dr. Mortensen thinks that the pedicellarice can be described in terms of 

 a different degree of precision from those which his predecessors have 



Challenger " Echinoidea, p. 89. 



2 Mortensen, 1. c. p. 52. 



