1890.] ON THE CARDINAL VEIN IN THE RABBIT. 577 



228. EUTHEUS MARCHALII. 



Pamphila marchalii, Boisd, ; Kirby, t. c. Suppl. p. 824. 

 Araguaya River. 



229. Proteides idas. 



Proteides idas. Cram. ; Kirby, t. c. p. 595. 

 Araguaya River. 



230. ACHLYODES BROMIUS. 



Achlyodes bromius, Stoll ; Kirby, t. c. p. 632. 

 Araguaya River. 



231. Achlyodes petius. 



Pellicia petius, Moschl. ; Kirby, t. c. Suppl. p. 829. 

 Araguaya River. 



232. Achlyodes trifasciata. 



Achlyodes trifasciata. Hew. ; Kirby, t. c. p. 631. 

 Araguaya River. 



233. Achlyodes ozema. 



Achlyodes ozema, Bull. ; Kirby, t. c. p. 657. 

 Araguaya River. 



EXPLANATION OP PLATE XL VI. 



Fig. 1. Amphidecta reynoldsi, p. 567. 



2. Mesosemia hdla, p. 669. 



3. Lymnas isahellm, p. 571. 



4. 5. Diorhina arthuriana, p. 572. 



6. Mesenc clarigsa, p. 573. 



7. B(Botis Johanna, f). 573. 



8. 9. Anatole middletoni, p. 574. 



10. On a Case of the Occurrence of a persistent Right 

 Posterior Cardinal Vein in the Rabbit. By Edmund S. 

 Hall, Student of Guy's Hospital. (Communicated by 

 F. E. Beddard, M.A., Prosector to the Society, Lecturer 

 on Biology at Guy's Hospital.) 



[Received June 16, 1890.] 



In the dissection of a male Rabbit on June 5th at Guy's Hospital, 

 it was noticed that, in the thoracic region, the azygos cardinal vein 

 was of great thickness, its diameter being a third of the size of that 

 of the right anterior vena cava, though its position and branches 

 were exactly comparable with those of the normal vein of any other 

 Rabbit. 



In following this vein from the thoracic region towards the pos- 

 terior end of the body, the foUowiug points were noted : — That, 



