$6 CADUCIBRANCHIATA. 



prolixam et qua juxta finem tenuissima sit, paulatim ac 

 sensim graciles sit. Pro lingua est Cartilago brevis ac 

 lata. Quaternis natat pedibus, in totidem digitos per- 

 similes Ranarum fissis. Caput depressum et reliqui 

 corporis proportione magnum. Hiscens rictus, aterque 

 color. Huic menstrua singulis quibusque mensibus 

 fluere observatum saspe saepius est, haud aliter ac muli- 

 eribus, etc., etc. 



Salubre et gratum praebet alimentum — postea de 

 Condimentis." 



SiredoQ Harlanii, Dumeril and Bibron. 



Synonyms, Axolotes maculatus, Owen; Siredon mac- 

 ulatus, Baird. 



Color ashy gray, with numerous, round, distinct, 

 black spots, beneath immaculate ; dorsal membrane rising 

 upon the nape. 



Length 8 inches. 



Siredon Dumerili, Duges. (39) 



"Lower parts much lighter than the upper; throat 

 and breast sometimes white ; four white spots upon the 



