312 On the Holoiype of Animotliea caroliiiensis. 



Third right leg {cunt.) : — 



Third coxa 2-4 



Femur 8-0 



First tibia 8-0 



Second tibia 9-84 



Tar.sus and propodus 4'8 



Claw 1-92 



Auxiliaries 1-2 



Palp :- 



Second segment 2'88 



Third „ 1-2 



Fourth „ 5-76 



Fifth „ 104 



Sixth „ 1-12 



Seventh „ 1-12 



Locality. — Leach says, " For tliis singular species I 



am indebted to Mr. Latham of Corapton Street, who received 

 two specimens from South Carolina, wliich were cauglit on an 

 anchor that had been recently drawn from the bottom of the 

 sea." 



Nothing resembling- Leach's type lias been found in the 

 North Atlantic during the century that has elapsed since he 

 described it, all the known species that are congeneric with it 

 coming, without exception, from the Antarctic seas. It seems 

 not unreasonable, therefore, to sui)pose that Leach or his 

 informant may have been mistaken as to the origin of the 

 specimens, and it is a tempting suggestion that ''South 

 ('arolina '' was written instead of " Soutii Georgia." Tliere 

 is nothing improbable in the supposition that the specimens 

 may have come from the last-named locality, which was 

 much frequented by British and American sealing-vessels 

 during the first two decades of the nineteenth century*. 

 On the other hand, the Museum records afford no information 

 on the point, and our scanty knowledge of the distribution of 

 Pycnogonida does not give much confidence as to what genera 

 may, or may not, be expected in the North Atlantic. 

 Bouvier's recent discovery of a species of Pentapycnon on 

 tlie coast of Guiana is a reminder of tlie risk of dogmatizing* 

 on the subject. Nevertheless, until some evidence is pro- 

 duced that a species resembling that described by Leach 

 does occur in the North Atlantic, it is, I think, justifiable to 

 disregard his statement as to its origin in considering its 

 affinities. 



A'ffinities. — On comparing the characters of the specimen 

 as described above with Bouvier's key f to the species of 



* See Weddell, Voy. South Pole (London, 1825), p. 53. 

 t Deuxieme Exp^d. Antarctique Franfaise 1908-1910, Pvcnogonides 

 du ' Pourquoi Pas P,' p. 123 (1913j. 



