10 PYCNOGONIDA DREDGED DURING THE CRUISE OF H.M.S. " TRITON." 



the two forms prove identical — as I think it very probable they will do when 

 examined comparatively — they give new evidence of the wide range of deep- 

 sea species. 



List of the Stations at which Pycnogonids were taken by H.M.S. " Triton." 



Station No. 5, August 9, 1882.— Lat. 60° 11' 45" N., long. 8° 15' W. ; 433 fathoms. Bottom, 



hard ground ; temp. 43°, 5 (Trawl). 

 Station No. 6, August 17, 1882.— Lat. 60° 9' N., long. 7° 16' 30" W. ; 466 fathoms. Bottom, 



stones ; temp. 30°-29°, 5 (Dredge). 

 Station No. 8, August 22, 1882.— Lat. 60° 18' N, long. 6° 15' W. ; 640 fathoms. Bottom, 



mud; temp. 30° (Trawl). 

 Station No. 9, August 23, 1882.— Lat. 60° 5' N. ; long. 6° 21' W. ; 608 fathoms. Bottom, 



mud ; temp. 30° (Trawl). 

 Station No. 10, August 24, 1882.— Lat. 59° 40' N, long. 7° 21' W. ; 516 fathoms. Bottom, 



mud ; temp. 46°-49°, 5 (Trawl). 

 Station No.^ 11, August 28, 1882.— Lat. 59° 39' 30" N, long. 7° 13' W. ; 555 fathoms. 



Bottom, ooze ; temp. 45°, 5 (Trawl and Dredge). 



EXPLANATION OF PLATE I. 



Figs. 1-6, illustrating Pallenopsis tritonis, n. sp. 



Fig. 1. Animal, dorsal view; magnified 7 diameters. 

 Fig. 2. Last joint of the mandible ; magnified 41 diameters. 

 Fig. 3. Ovigerous leg ; magnified 7 diameters. 



Fig. 4. Last five joints of the ovigerous leg ; magnified 41 diameters. 

 Fig. 5. Last two joints and claw of one of the legs ; magnified 41 diameters. 

 Fig. 6. Tubular process of one of the legs ; magnified 94 diameters. 

 Fig. 7. Pallene malleolata, G-. O. Sars, dorsal view ; magnified 6 diameters. 

 Fig. 8. Colossendeis angusta, G. O, Sars, lateral view of the anterior part of the body ; 

 magnified 7 diameters. 



(All the figures are drawn with the camera lucida.) 



