558 Scientific Proceedings, Royal Dublin Society. 



(4) Haswell, W. a. : 



"On the Pycnogonida of the Australian Coast."— Proc. Linn. 

 Soc. N.S.W., ix., 1885, p. 1025. 



(5) Ortmann, a. : 



" Bericht iiber die von Herrn Dr. Doderlein in Japan gessamelten 

 Pycnogoniden." — Zool. Jahrb., v., 1890, p. 157. 



(6) Saks, G. 0. : 



" The IS'orwegian North Atlantic Expedition, 1876-1878."— Yol. 

 XX., Zoology — Pycnogonidea. Christiania, 1891. 



(7) ScHIMKilWITSCH, W. I 



"l^ote sur les Genres des Pantopodes." — Arch. Zool. exp. et gen. 

 (2) ix., 1891, p. 503. 



EXPLAITATION OP PLATE. 



Pig. 1. Parapallene Haddonii, dorsal view of female, x 6. 

 Fig. 2. ,, ,, ventral view of cephalic segment of male, 



X 6. 

 ,, ,, profile of oculiferous tubercle x 6, 



,, ,, last joints of false leg of female (1 in. obj.). 



,, ,, spines of false leg (i in. obj.). 



,, ,, tarsus and propodus of ambulatory leg (1 



in. obj.). 

 Pig. 7. Ascorhynclms tenuirostris^ dorsal view of male, x 8. 

 ,, ,, profile of male, x 8. 



,, ,, ventral view of hinder part of ce- 



phalic segment of male, showing, 

 false leg, x 8, 

 ,, ., cheliforus (1 in. obj.). 



,, ,, palp, portion of fifth, and last five- 



joints (1 in. obj.). 

 Pig. 12. ,, ,, false leg of male, last four joiats (1 



in. obj.). 

 Fig. 13. ,, ,, a denticulate spine (i in. obj.). 



Fig. 14. ,, ,, tarsus and propodus of ambulatory 



leg (1 in. obj.). 



