J^ADIATES. "■ 153 



3Iaiiiic ln\ertebrata), altlion^li it had not been recorded from any local- 

 ity between the Bay of Fimdy and Greenland. The numerous specimens 

 in this collection serve to conlirm that conclusion. 



Common at low-water in the Gulf of Cumberland (lots 170, 237, C64), 

 Penny Harl)()r, October 4, lot 237. Gravel beach, head of gulf, June 1, 



1878. 



rOEIFERA. 



Two or three species of sponges, not yet determined, are in the collec- 

 tion. The most interesting, as well as most common one, forms elongated, 

 erect, rather flaccid tubes, two or three inches high and .25 to .35 in 

 diameter, open at top. 



It occurred on the gravel beach, head of the gulf, attached to stones, 

 June 13, ]S78, lot 770; also in lot 643. 



