100 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [394] 
PROTOZOA. 
Porifera, (Sponges.) 
Page. Page, 
Grantia ciliata (?)......--- 391 | Halichondria, sp.....--.--- 330 
Leucosoleniabotryoides(?).. 391 | Renieria, sp......-...----- 330 
Chalina, sp..-.-.-.-.------ 391 | Tedania, sp ..----.-...---- 391 
II. 5.— ANIMALS INHABITING THE ROCKY BOTTOMS OF THE BAYS AND 
SOUNDS. 
In this region the proportion of rocky bottom is relatively quite 
small, and mostly tobe found only in quiteshallow water. Therefore the 
animal life is very similar to that of the rocky shores and tide-pools, 
near low-water mark. 
In Vineyard Sound and vicinity the rocky bottoms examined were 
chiefly at the following localities, as indicated on the accompanying 
chart, viz.: Ist. An area south of Parker’s Point and occupying a part 
of the bottom of the passage between Parker’s Point and Nonamesset 
Island, on both sides of the channel, and extending somewhat south of 
a line drawn from Nobska Point to the southeastern end of Nonames- 
set Island. The dredgings made in this area are, 9, a, b, c,d; 2, a, b; 
3, a, b, 3 4, a, b; 5, e, d, e; 8, a,b; 18, a, b. 2d. An area south 
and southwest of Nobska Point; dredgings, 21, b, e; 22,a; and 
others not recorded were made on this patch. 3d. In the Wood’s Hole 
passage, between the north end of Nonamesset Island and the opposite 
shores, there are numerous rocky patches, and the tides flow with great 
force; dredgings, 14, a, b, c¢, d, e, f, g3 16, a,b; 17, ¢,d,e; 15, a,b; 
and many others were made on this bottom. 4th. A small area between 
Uncatena Island and Long Neck; dredgings, 11, e, f, and 71, c, were 
on this patch. 5th. A small area, south of the Wepecket Islands, where 
the dredging, 73, d, was made. 6th. A region of rocks and sand off 
West Chop, north of Martha’s Vineyard; in the dredgings made here, 
37, ¢, d, e, some very fine hydroids and ascidians were obtained. 7th. 
In Quick’s Hole, the passage between Nashawena and Pasque Islands, 
a rocky bottom, with abundant ascidians, hydroids, and sponges, was 
found, where dredgings 77, a and c, were made. 
In addition to these localities numerous dredgings were made on 
rocky bottoms off Gay Head and Devil’s Bridge, and also between 
Martha’s Vineyard and No Man’s Land, but these properly belong to the 
cold outer region. 
In the vicinity of New Haven, rocky bottoms, generally of small 
extent, are found off the light-house,; and off South End and Branford 
Point, also among the Thimble Islands. All these localities have 
been examined by me in numerous dredging excursions made during 
the past eight years. Nevertheless the fauna of the rocky bottoms of 
