272 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 4 



broad as it is long, slightly ventricose, with the margin broader than the 

 remainder of the hydrotheca. There is a sharp, median tooth on the mar- 

 gin, and the remainder is irregular with not very definite teeth, except for 

 1 sharp one about the middle of each side. The supracalycine nemato- 

 phores are large, extending but slightly past the margin of the hydro- 

 theca; the median nematophore is tubular, straight, not turning up with 

 the face of the hydrotheca, but not projecting far beyond it; it makes an 

 angle of about 40° with the internode; the distal end is squarely cut; 

 near the base, there is a septum extending in from the lower surface. On 

 the stem, there are 3 tubular nematophores on each internode, 1 on each 

 side of the hydrocladial process, and 1 below this process. 



Gonosome. — The gonangia appear in a single or double series for as 

 much as 3 cm along the stem in the distal portion ; they are oval or slightly 

 obovate, 0.9 x 0.4 mm, much similar to those in C. vancouverensis Fraser, 

 with the oval apertures latero-terminally placed. The phylactogonia too 

 are similar to those of C. vancouverensis but they are not quite so much 

 branched. 



Distribution. — Station 874-38, NE of Anacapa Island, 45 fathoms ; 

 3 miles east of South Point, Santa Rosa Island, 23-26 fathoms; 3 miles 

 south of Fraser Point, Santa Cruz Island, 20-24 fathoms; 1 mile east 

 of Smugglers Cove, 19-20 fathoms; 1 mile WNW of Anacapa Island, 

 41-43 fathoms; NE of Anacapa Island, 45 fathoms; 10% miles west of 

 Point Dume, Calif., 47-48 fathoms; east of Long Point, Santa Catalina 

 Island, 45-50 fathoms; 1% miles east of White Cove, 90-108 fathoms; 

 1 mile south of San Benito Islands, Lower Calif., 44-49 fathoms; 5^^ 

 miles south of San Benito Islands, 69-81 fathoms. 



Remarks. — C. pinguis may readily be compared with C. vancouver- 

 ensis although in general it is a larger species. The stem and the hydro- 

 cladia are much similar although they are stouter; the internodal septa 

 are similarly arranged. The hydrotheca is much stouter for its depth, and 

 the face is not so straight. The margin has a similar, sharp, median tooth, 

 but there is 1 sharp, lateral tooth, not so sharp as the median tooth, about 

 half way along each side. There is little difference in the supracalycine 

 nematophore, but the terminus of the mesial nematophore is truncate, not 

 tapered. The differences in the gonosome are rather immaterial. As the 

 ranges of these two overlap, there is no hesitation in suggesting that A. 

 pinguis has been derived directly from C. vancouverensis, which has a 

 much wider known range. 



