cp. sph. 
eth. ex. 
eth. i. 
lac. od. 
m py. 
MU. crc. 
GEROULD, — Caudina 
Fig. 101. 
Fig. 102. 
Fig. 103. 
Fig. 104. 
Fig. 105. 
Fig. 106. 
Fig. 107. 
Fig. 108. 
PLATE 8. 
ABBREVIATIONS. 
Spheruliferous corpus- ma. lg. Longitadinal muscle fi- 
cle. nl. Nucleus. [bers. 
External epithelium. nl ?. Remnant of nucleus in 
Internal epithelium. a degenerating ovum. 
Laeunar blood vessel of sp'ey. Spermatocyte. 
ovary. sp'd. Spermatid. 
Micropyle. sp'go. Spermatogonium. 
Cireular muscle fibers. tis. cot. Connective tissue. 
Section of ovarian ovum of Cucumaria frondosa. — Piero-sulphuric 
acid. Ehrlich's haematoxylin and eosin. X 295. 
Ovarian ovum in a state of degeneration. November. Corrosive 
sublimate. Ehrlich's haematoxylin. > 390, 
Cross section of a branch of the genital duet. X 235. 
Internal epithelium of the genital duct from a section of the duct. 
x. 100. 
Longitudinal section of the genital duct. X 514. 
Cross section of the testis of a young individual. X 985. 
Section of wall of testis, showing spermatogonia. X 1125. 
Internal epithelium of genital duet seen in optieal section, showing 
collars surrounding the flagella. X 514. 
