100 A. E. Verrill—Dredgings on the Coast of New England. 
forms a very coarse, short, thick tube, composed of mud and 
coarse sand firmly cemented together. This was an abundant 
species, both in this and the other muddy logahies (o and Ph 
but has not been found in shallow water. were 
species of Nephthys, Amphicteis, Ampharete, fie Sabella, 
ete. any empty fragments of thin, calcareous, nearly straight, 
round tubes, but having occasional swellings, occurred both 
here and in 110 fathoms; these belong, perhaps, to Protula 
arctica Sars. 
The fauna of the locality in 110 fathoms (0), N. lat. 42° 5, 
W. long. 67° 49’, was so similar to that of the locality just 
described that it will require only a brief description. 
Most of the Radiata of special interest have been mentioned in 
connection with the last locality. Among these were Cerian- 
thus borealis V.; Pennatula aculeata Danielssen* ; +(s) Ophio-— 
glypha affinis Lym. (Lutk. sp.), common but new to American 
waters ; Ctenodiscus crispatus D. and K.; (s) Archaster arcticus 
Sars (young) ; ; (t, g, p, 8) Schizaster fragilis (D. and K.), several 
large ones; (g,s) Pentacta assimilis (D. and oF (s) Thyone 
scabra V. (new species)* ; Lophothuria Fabricii V 
not so numerous, less acute and lighter colored; the anterior ee of the body has 
smaller and less prominent suckers or use gn ; the skin is lighter colored, thinner, 
and more translucent, and there is a zon ring several rows of minute, slender, 
acute, chitinous cies . little below the tentacles 
* Since printing the first part of this paper, I have been able to satisfy myself 
that the species there mentioned (p. 5) is the P. aculeata, of northern Europe. 
Dr. Kdlliker regards this form, however, a variety of P. phosphorea, but it 
seems to me sufficiently distinct. Mr. White teaves, in an article just: received (Ann. 
and oe Nat. Hist., eakis A ny fh vip aes as proposed f or his specimens the name 
of P. Canadensis, in extent, undoubtedly, by my fener opinion, 
a on his eaten rony; that it. vin a distinct species. His specimens @ differ 
popeidees tly from mine, or the typical P. aculeata in form and being 
1 racters. 
proves e 
larger and better specimens dredged by Mr. Whiteaves in 200 fathoms, and ney 
“gr to me for examination. It appears to agree in all essential characters Wt 
V. Lyngmanni K6ll., me 8 before only from the Azores a 4 to 80 fathoms. 
It is quite distinct from trabilis, being shorter and stouter, a much shorter 
basal portion, and the abe are much larger and t fone, (only 5 or 6 in each 
cluster) while the lobes or wings are more ae ee incised between the 
flat, acute spinous process, composed of two anastomosing pieces. The pb gee | of 
the papill or suckers are narrow, elongated, bent into a bow-shape, the middle 
