BY PROFESSOR T. THOMSON FLYNN. 99 



fiable tO' disregard his (Leach's) statement as to the origin'' 

 should be regarded with caution. 



There is no donbt, however, that appearances point 

 to the Southern Polar Regions as the headquarters of this 

 genus, from which the various species may nave radiated 

 northward, in 'which case Leach's original locality may 

 still be wrong. 



BIBLIOGRAPHY. 



(1) 1884. Haswell, W. A. The Pycnogonida of the 

 Australian Coast. Proc. Linn. Soc. N.S.W. 

 Vol. IX. (1885). 



(2) 1918. Flynn, T. T. On a Pycnogonid of the 

 genus Halosoma. Paj). and Proc. Royal Soc. 

 Tas. 



(3) 1869. Grube. Jahrsb. Schles. Ges. Vaterl. p. 

 54. 



(4) 1881. Hoek, P. P. C. Rept. on the Pycnogonida 

 dredged by H. M.S. "Challenger," etc. Challenger 

 Repts. Zool. Vol. III. 



(5) 1908. Lonian, J. C. C. Die Pantopoden der 

 Siboga Expedition, Siboga Exp. Mon. XL. 



(6) 1881. Dohrn, Anton. Die Pantopoden des 

 Golfes voai Neapel. Faiina u. Flora d. Golfes 

 v. Neapel, Mon. III. 



(7) 1911. Bouvier, E. L. Lbs Pycnogonides du 

 "Pourquoi Pas?" C.R. Acad, des Sciences, 

 Paris, t. CLII. 



(8) 1910. Bouvier, E.. L. Les Pycnog-onides a cinq 

 paires do pattes recuellis par la Mission antai'c- 

 tique Jean Charcot a borcl du "Pourquoi Pas?'' 

 C.R. Acad. Sci. Paris, t. CLI. 



(9) 1913. Bouvier, E. L. Pycnogonides du "Pour- 

 quoi Pas?" Deux Exp. Ant. Franc. (1908-10). 



(10) 1902. Moebius, K. Die Pantopoden der 

 cleutschen Tiefsee Expedition 1898-9. Wiss. 

 Ergebn. d. deutsch. Tiefsee Exjj., etc., III. (6) 



(11) 1864. Hodge, G. List of the British Pycno- 

 gonoidea, etc., Ann. Mag. Nat. Hist. (3) XIII. 



(12) 1915. Caiman, W. T. The Holotype of Am- 

 mothea carolinensis (Leach), Ann. Mag. Nat. Hist. 

 (8) XV. 



