200 SCIENTIFIC RESULTS OF THE 
the under side flattened. The ampulla of the hermaphroditic gland 
resting on the superior posterior part of the genital mass, whitish, 
making a large curve, about 5.0 mm. long, with a diameter of nearly 
1.5mm. The spermatoduct in its first part, as near as could be de- 
termined, rather thick than thin, not very long, forming (fig. lle, Te) | 
a little coil on the upper end of the penis. The penis (fig. 7f/) cylin- 
drical, curved, about 2.5 mm. long, by a diameter of about 0.8 mm. ; 
the inside with many longitudinal folds; at the upper end of its cavity 
a low truncated conical prominence (fig. 110), with a rather wide 
aperture (fig. 114), through which opens a little bag (fig. 11), whose 
inside was clothed with a thin yellowish cuticula, and contained a 
hollow, nearly colorless tube, that could be extended by tension ; it 
was probably pointed (the point seemed broken off) ; its length was 
about 0.9 mm.; the spermatoduct opened (fig. lla) in the upper part 
of this bag. Hancock has (1. ce. Pl. XIV, fig. 9c, 10; Pl. XV, fig. 
1, 2) seen the penis and the “stiletto,” but he too seems (1. ¢. p. 220) 
not at all clear about these organs. At the side of the opening for 
the penis in the vestibulum genitale was another aperture which led 
into a bag, from whose bottom projected a hard, whitish, somewhat 
compressed conical spur (fig. Td, 10), that under the influence of nitric 
acid grew more pellucid, but developed very little gas; through the 
axis of the organ down to the fine aperture on the point, passes a 
slender tube (fig. 10), the continuation of the fine coiled duct of the 
gland of the organ.' This gland (glandula hastatoria, fig. Te, 8d) 
overlies the upper part of the vagina (fig. Ta, 6); it is heart-shaped, 
of a transverse diameter (breadth) of 2.0, and a thickness of 1.0 mm.; 
the gland did not contain any larger cavity. The spermatotheca (fig. 
8a) whitish, nearly spherical, having a largest diameter of 2.5 mm. ; 
filled with fatty cells and detritus ; the two ducts (fig. 8c,e) as usual, 
the vagina rather wide (fig. Ta, 6), with longitudinal folds on the in- 
side. The spermatocysta yellowish, spherical, 1.5 mm. in diameter 
(fig. 86), filled with zoUsperms; short-stalked. The mucous gland 
not forming quite half of the anterior genital mass, consisting of a 
smaller anterior biconvex part, and a large flattened wing-like poste- 
rior part; the space between them nearly filled by the spermatotheca 
1 These organs, the gland and the spur, have also been seen (1. ¢., PI. 
XV, fig. 9) by Hancock, but he does not mention them (in the text, and 
explanation of the figures). In another of his figures (fig. 105) the spur 
is designated (1. c., p. 248) as ‘‘male intromittent organ,’ and the (fig. 
1Ce, f) tine penis as ‘* penis-like organ furnished with a stiletto ” 
