PLATE 118. 

 MEDUSETTIDA. 



Diam. Page 



Fig. 1. Gazelletta melusina, n. sp., . . . . . x 300 1674 



From the peristome of the thorny campanulato shell arise six large 

 descending feet, which are studded with arborescent fragile lateral 

 branches, and armed at the distal end with stouter dichotomous 

 terminal branches. 



Fig. 2. Euphysetta staurocodon, n. sp., . . . x 300 1670 



The peristome of the ovate shell bears an odd large foot with three 

 terminal branches and three cruciate rudimentary feet. In the 

 upper part of the shell -cavity is visible the sphaeroidal central capsule 

 (containing a nucleus of half the size, with numerous nucleoli); in 

 the lower half the dark pigment- masses of the green phseodium. 



Fig. 3. Euphysetta amphicodon, n. sp., . . . . X 300 1670 



The shell-wall exhibits the regular alveolate structure. From the mouth 

 are prominent large masses of the phseodium, which is more volu- 

 minous than the shell-cavity, and seems to contain nucleated cells. 



