Southern Coast of New England. 151 
T 
polyps are rather large, usually five or six, divergent, clavate 
addition to the startishes referred to in my last article, 
there is, from 1098 and 1451 fathoms, a very interesting new 
species belonging to the peculiar deep-sea genus, /Hymenaster,* 
which many species were dredged by the Challenger in 
Various parts of the world. An additional new species of 
Archaster+ has also been recognized. It was taken in 858 
fathoms, in 1883, and in 368 fathoms, in 1881. 
ngest diameter of ‘the calicle, 34™™; shorter diameter, 31™™; breadth of the 
uy Septa, 20™™; height above margin of calicle, 14™™; breadth of the 
sa or costal portion, 7™™; breadth of secondary septa, 16™™; height above 
ring pips 8™™; breadth of tertiary septa, 6™™; height above margin of 
j mm 
* Be 57° 13’) by Michael Campbell, of Gloucester, Mass. 
ter modestus, sp. nov. B mall, pentagonal, with concave borders, 
n 
a Spinulation, in the projecting adambulacral plates, and apparently in the 
f special pore arms. Its disk is sm 
and More prominent and convex or swollen, its marginal spines much larger 
sharper Fe regular, and the spinules on the marginal plates much longer and 
® while the ventral interbrachial areas are much smaller. a 
the  18inal spines are longer than the breadth of the plates, and the spinules 
Plates divergent and arp. The lower plates are as prominent as the 
those of the me hese 
upper row, and so s with a lower one of sal form a 
oe tes abut directly against the adambulacral plates. The latter project stro: 
d each b f eight to t lender di corona to 
it the ba group of eig ; a 
middle longest, with a larger, outer, erect central spine. Ventral inter 
