BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY 
3f Intermediate web absent, . v9 3... pacifica Hoyle. 
“A Intermediate web present L. 
f Internal cartilage longer than broad. . . , , mülleri Eschricht. 
` l Internal cartilage broader than Ingo cu) oe ONU Hoyle. 
The characters of O. umbellata as given by Fischer (’83, p. 402) do not 
enable me to diseriminate between his species and those described by Verrill ' 
in fact, from the account of his two larger specimens it seems not unlikely that 
they ought to be referred to the genus Opisthoteuthis Verrill (83, p. 113). The 
phrase “le corps . . . était tellement court qu'on ne distinguait, au premier 
abord, que le disque formé par les bras, et que l'animal rassemblait en quelque 
sorte á une astérie molle (Hymenaster).” A comparison of this description 
with the figures of O. depressa given by Ijima and Ikeda (95, p. 133) is, to say 
the least of it, very suggestive. 
Since the above was written I have seen Professor Joubin's important work 
(:01) on the collections made by the * Princesse Alice," in which he records 
the capture of examples identified with O. umbellata. He does not seem very 
certain of this identification, for he speaks of having arrived at it “par exclusion 
successive," and adds that “les deux ou trois caracteres signalés par P. Fischer, 
+ - Sappliquent bien á l'échantillon de la Princesse Alico,” lt seems to 
me, however, that M. Joubin overlooks the important account of the general 
shape just alluded to. In any case a comparison of his figures and descriptions 
with those given below suggests very strongly that his specimens are the same 
as the species here called Stauroteuthis hippocrepium (see p. 6). 
1. Cirroteuthis, sp. 
Habitat. — Station. 3414, off Tehuantepec, April 8, 1891; lat, 109 14/ N 
long. 96° 28 W., 2232 fathoms; green mud ; temperature, surface 829, bottom 
35.28; one specimen, No. 7945 A. LH. 33.] 4 
But little is left of this specimen; the head and body have entirely disap- 
peared with the exception of one gill and one eye, and the arms have lost most 
of their integument and of the umbrella connecting them. So far as can be 
seen, it agrees in many respects with C. pacifica from the « Ohallenger ” 
Expedition (Hoyle, 86, p- 61), the only noteworthy difference being that the 
nodule which indieates the attachment of the web to the ventral side of the arm 
is rather less instead of rather more than halfway up the arm, but as the dorsal 
cartilage was not preserved, it is impossible to say with certainty whether it 
belonged to the genus Ctrroteuthis or to Stawroteuthis, 
2. Cirroteuthis, sp. 
Habitat. — Station 3358 ; off Cape Mala; February 24, 1891 ; lat. 60 30^ N 
long. 81° 44' W., 555 fathoms ; temperature, surface 830, bottom, 40.9 
sand, 
“I 
2 ; green 
1 The numbers in square brackets preceded by “H” refer to my own register 
of specimens examined, : 
