148 EXPLORATION OF THE GULF OF MAINE. 
losa and Aporrhais occidentalis (Fig. 46), two shells rivalling in 
size individuals dredged by me in shallow water in Labrador. 
With these also occurred the remarkable Cerianthus bo Yol- 
t Fig. 46. ‘ 
Yoldia thraciæformis. 
ok Aporrhais occidentalis. 
dia thracieeformis (Fig. 47; this and 46- 52, ‘ton Gould’s Shells 
of Mass.) and Hyalonema longissimum. This deep valley, so near 
the shore, afforded the lowest ts (363°) fou aoai 
the month’s work. 
The result of the exploration on Cashe’ s Ledge was oxi ' 
interesting ;.at depths varying from fifty to eighty fathoms over 
_ hard, gravelly bottom characterized by multitudes of Ascidi¢ 
losa, or sea potatoes, the richest assemblage of life was found 
_ We met within the gulf. It was a rare sight to see the tan 
come in over the ship’ s side hung with that gorgeous starfish, 
; Fig. 48. bright red Hippasteria sede a 
7 ing fully eight inches across, Wi 
forms of Pteraster militaris, species 
. chaster (A. arcticus and A. elii), “V 
| bella, Asterias, Antedon Sarsii, and 
aes 
Scalpellum (8S. Stroémi of. § 
EN to hydroids ; an enormous sea spider( 
t m); ~~ T an sretio "e oe a 
