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PYCNOGONIDA. 



Segmentum caudale longum, clavatum. 



Palpi brevitisculi. 



Pedes oviferi breves. 



Pedes gressorii subgraciles, longi, articulo priore tarsali quam altero duplo longiore. Unguis parvus, 



dimidiam longitudineni articuli alterius tarsalis vix excedens. 

 Lono-. tota 48™'". Rostri 24""". Corporis 18,5""". vSegnienti caudalis 5™™. 



The trunk slender. 



The proboscis long, thick, swollen in two places. 



The oculiferous tubercle rather high, anteriorly steep, posteriorly sloping; the foremost ocelli large, 



pyriform, the hindmost ones very small, oval, lying close to the emarginate hinder edge of the 



foremost eyes. 

 The caudal segment long, clavate. 

 The palps somewhat short. 

 The ovigerous legs short. 

 The ambulatory legs somewhat slender, long, the first tarsal joint twice the length of the second one. 



The claw small, scarcely exceeding half the length of the second tarsal joint. 

 Total length 48""". The proboscis 24™"'. The trunk 18,5""". The caudal segment 5""". 



Occurrence. The Ingolf-station 64, that is the northern Atlantic .south of Iceland, 62^06' 

 Lat. N. 19- 00' Long. W. , 1041 fath. Bottom temperature 31. Only one single specimen, a full- 

 o-rown female. 



3. Colossendeis colossea W'ils. 

 Colossendeis colossea Wilson, Report Pycnog. « Blake , 1881, p. 244. PI. I. Fig. i. 1*1. III. Fig. 5 — 7. 

 ? Colossendeis gigas Hoek, Report Pycnog. <s Challenger;, 1881, p. 61. PI. VIII. Fig. i — 2. Pl.X. Fig. i — 5. 

 Nee! Colossendeis gigas (Hoek) Schimkewitsch, Compte-rendu Pantop. Albatross», 1893, p. 29. 



I suppose the Colossejidcis colossea of Wilson to be different from the Colossendeis gigas of 

 Hoek, and still more decidedly different from the species of the same name of Schimkewitsch. 



Occurrence. The Ingolf-stations are 11 and 18, the former being in the Denmark Strait, 

 64'' 34' Lat. N. 31" 12' Long. W., 1300 fath.; the latter in the Atlantic, 61 44' Lat. N. 30' 29' Long. W., 

 1 135 fath. Three .specimens were taken, the largest of which of a length of 63™"". 



Distribution. Wilson has this species from the eastern coast of North America, from 

 41" 33' Lat. N. to 38 45' Lat. N. , and from 65" 47' 10" Long. W. to 73° 10' 30" Long. W. from depths 

 between 524 — 1186 fath. According to my conception of the species this species is only known from 

 the Ingolf, and the places stated by Wilson. 



