PLATE LXXVIII. 



Sciacaris telsonis (p. 438). 

 Fig. 1. Ventrolateral aspect ; enlarged twenty times. 

 „ lm. Third pereiopod ; chela. 



„ \p. First pleopod ; appendage at base of flagellum. 

 ,, lz. Telson ; dorsal view. 



„ 2. Mastigopus stage of same ; enlarged eighteen times (p. 439). 

 ,, 2c. Second antenna ; extremity of scaphocerite. 

 ,, 2z. Telson ; dorsal view. 



,, 3. Acanthosoma stage of same; enlarged twenty-one times (p. 441). 

 „ 3z. Telson ; side view. 



