256 
BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY. 
PLATE V. 
Pallenopsis forficifer ; glandular duct from 4th joint of ambulatory legs in 
the male. 
Pallenopsis longirostris; the corresponding duct. 
The same ; outer joints of accessory legs. 
Scworhynchus armatus ; chela of “antenna” in male. 
The same ; chela of female. 
The same; palpus. 
The same; terminal joints of leg. 
The same ; outer joints of accessory leg in the female. 
The same ; spine from accessory leg, male. 
Colossendeis macerrima ; dorsal view of oculiferous segment showing ori- 
gin of palpi, accessory legs, and first pair of ambulatory legs. 
Norte. — While this article was going through the press an important paper by 
Dr. P. P. C. Hoek was received. (The Pyenogonids, dredged during the Cruises of 
the “Willem Barents” in the Years 1878 and 1879. Niederländisches Archiv für 
Zoologie, Supplementband I., Erste Lieferung, 1881, Art. IL, pp. 1-28, Plates I. 
and 1I.) 
name has therefore priority over Rhopalorhynchus. From the excellent figures given 
of Colossendeis proboscidea it is evident that this species is very distinct from the two 
The author states that Colossendeis was described in the year 1870; this 
species deseribed as new in this report. "The huge swollen rostrum, stout short legs 
and body, closely approximated lateral processes, elevated conical oculiferous tuber- 
cle, the proportions of the palpal joints and of the outer joints of the ambulatory 
legs, and the very'acute lanceolate spines of the accessory legs, — all these are 
strikingly different from the corresponding characters of both C. colossea and C. 
macerrima. 
