joint well defined, luit of a ratlin- different shape, being produced immediately 

 inside the tip to a strong spiniform process, inner expansion of proximal joint 

 with only .'! marginal seta-, the innermost one spiniform. 

 iour not yet ascertained. 



Length of adult female 0.90 mm. 



"Remarks. Th' 1 above-described form is evidently that hrietly recorded 

 li\ Th. S.-ntt a> T. )iiiillinli(fii Brad\. It cannot, howevei 1 . he referred to 

 that species at all. as the structure of the last pair of legs is very unlike that 

 in the type species, and Th. Scott has also called attention to this essential 

 difference. I propose to name the species in honour of that distinguished 

 naturalist. 



Occnrn'tu-t'. -Only a few specimens of this form have come under my 

 notice. They were found in samples taken last summer at Korshavn from depths 

 of about jo fathoms, sandy bottom. 



inn. Scottish coast (Scott). 



Gen, PterOpSyllUS, Scott 1'MHi. 



Generic Characters. Genera} form of body resembling that in PlnjUo- 



''./J.-//////.S-. Rostral projection, however, very prominent and acutely produced 



at the tip. Genital segment in female very large and somewhat depressed. 



idal rami narrow linear in form. Anterior antenna? with the 1st joint much 



elongated, but without any unguiform projection outside. Posterior antenna? very 



-lender. \\ith the outer ramus rudimentary. Oral parts resembling on the whole 



in structure those in the genus PhyllopodopsylluA. 1st pair of legs with the inner 



ramus much longer than the outer, and distinctly 3-articulate. The 3 succeeding 



pairs of le-s nil of essentially same structure, being rather small, with the inner 



ramus -omewhat shorter than the outer and Inarticulate; nataton seta' much 



I'iced in number. L ;( st pair of legs in female very large, forming together, 



in the LT'-mis Phyllopodopsyllus, beneath the urosome a roomy incubatory 



chamber, each, however, composed () f 2 well-detined lamellar joints; those in 



male \i-r\ sm.-ill. uniarticulate. 



Remarks. Tins genus, established 1,\ Th. Scott, is nearly allied to /'/////- 

 lopodopsylluS) hut dill. 'is c.,iis|,i ( -iioiis]y in the shape of the rostrum and the caudal 

 l ' ;l " 11 - &8 :dso in the structure of the antennae and legs. Only a single species 

 i- :ts yet known. 



