of the Virgirdau Coast. 23 
antennffi, no tentacular cirri, first segment with same ap- 
pendages as the second : and in referring to the genus thus 
limited his new species S. Glaparklii {Die Borstenwilrmer, 
p. 252, pi. ix, figs. 10-13). Claparede afterwards corrected 
his generic diagnosis, and gave a new figure of his type 
species S. hystrix [Glanures, p. 85, pi. 6, f. 1), but this 
was subsequent to the publication of Ehlers' work. In 
any case, if S. hystrix is to remain the type of the genus 
Sph^rosyllis, then S. ClaparMii Ehlers, must be the type 
of a new genus. 
PiEDOPHYLAX Clpd. 
Annelides Chetopodes du Golfe de Naples p. 520. 
Claparede draws one of his generic characteristics from 
the position of the eyes, assigning one pair to the buccal seg- 
ment. This is not the case with the following species. lu 
fact, it is not true even of P. veruger Clp., in which they 
are found in the depression between the head and buccal 
segment. 
P-aiDOPHYLAX DISPAR 71. Sp. 
PL. IV, FIG. 49. PL. V, FIGS. 50-55. 
Head (f. 49) convex, rounded in front and at the sides, 
posterior margin nearly straight, length to breadth as 1:2. 
Eyes four, large, circular, lateral. Posterior pair a trifle 
smaller than the anterior, a httle within, almost in contact 
with them, very near the posterior margin of the head. 
Palpi : length .of projecting portion nearly double the 
length of the head, convex, rounded laterally, diminishing 
forward, front bluntly rounded and slightly emarginate ; 
above, the palpi are separated by a slightly impressed line; 
below, by a depression which widens and deepens behind. 
Antennae: median, arising near posterior margin of 
head, reaches nearly to the end of the palpi, fusiform ; 
