LYSINOE. 191 



O. trigonostoma Pfr., v, 132. O. guillarmodi Shutt., v, 133. 



/. subunicolor C. & F. O. costaricensis Roth, v, 134. 



stoliiana Mts. /. virginea Anc. 



/. freytagiana Dohrn. /. steiniana Anc. 



O. altispira (Dohrn) Mts. /. boucardi Ang. 



O. bicincta Pfr., iv, 75. O. adela Ang., v, 135. 



Genus LYSINOE H. & A. Adams, 1855. 



Aglaja ALB., Die Hel., 1850, p. 107, sole species H. ghiesbreghti. 

 Aglaia Alb., v. MART., Die Hel., 1860, p. 122, in part, exclusive 

 of "type" and all but first species. Not Aglaia Renier, 1804, 

 Eschscholtz, 1825, or Swainson, 1827. Lysinoe, H.& A. AD., Gen. 

 Rec. Moll, ii, p. 203, for ghiesbreghtii and hogoleuensis (June, 1855). 

 v. MARTENS, Biol. Centr. Araer., Moll., p. 145. Odontura FIS- 

 CHER & CROSSE, Miss. Scient. Mex., Moll., pp. 211, 242, 1870, for 

 ghiesbreghti and eximia. Humboldtiana v. IHERING, Morphol. u. 

 Syst. des Genitalapparates von Helix, in Zeitschr. f. wissenschaftl. 

 Zoologie, liv, p. 172, 1892, type H. humboldtiana. 



See for anatomy, FISCHER & CROSSE, 1. c. ; W. G. BINNEY, 

 Bull. Mus. Comp. Zool., v, p. 336, pi. 2, f. i. K. ; v. MARTENS, I. c., 

 pi. 8, f. 4. 



Shell large, globose or depressed globose, beset with granules and 

 sometimes hairs, brownish or yellowish with dark spiral bands ; um- 

 bilicus open or partly covered ; aperture lunate, lip margins more 

 or less reflexed, at least the columellar margin. TypeL. ghiesbreghti, 

 pi. 45, fig. 7. See also pi. 58, fig. 75, L. humboldtiana var. badio- 

 cincta. 



Animal large, coarsely granulose, the tail surmounted by a knobbed 

 or serrate keel (pi. 45, fig. 7, H. ghiesbreghti). 



Jaw arcuate, soAid ? with 6-11 spaced ribs (pi. 60, fig. 9, L. eximia\ 



Radula havingtfifiicuspid median teeth, the stout cusp shorter 

 than the basal plates. Lateral teeth with a small ectocone. Mar- 

 ginals haxing a long oblique bifid inner cusp and a small ectocone, 

 (pi. 60, fig. 5, L. humboldtiana}. 



Genital system having the retractor and epiphallus inserted at 

 apex of the short penis ; epiphallus continued in a long flagellum. 

 Spermatheca duct varying from moderate to very long, without di- 

 verticulum. Vagina bearing two equal, symmetrically placed dart 

 sacks, above the insertion of which three club-shaped mucous glands 



