HYDROPHIS ROBUSTA. 



FROM NATURE IND MUS REDUCED 



Xe^u/th mcludinf tad. o 10' ; 



Tau . 



Oirth ol'iody. 



6". 



4'i 



Plate 15. 



Dra^fvu .i>y Bum-yJj C'/uuul^--/'- A'A <jr /i , S /u^it-u ^ 



