ZONITES, 



285 



has 70 rows of ninety-three long, slender teeth (46 — 1 — 46). 

 Centrals tricuspid, laterals bicuspid, uncini aculeate and curved. 



Animal dirty white, the granules sometimes marked by a darker color, 

 running iuto a light fawn color on the top of back near the head ; eye- 

 peduncles and tentacles darker ; upper part of tail is also a slight slate- 

 color, darker below the furrows. The breadth of the animal is very mucli 

 greater than in most of our species, the head broader, blunter, the eye- 

 peduncles shorter, heavier, and very much more widely set apart. A 

 narrow locomotive disk below. Along the side of the foot, parallel to tlie 

 base, are two furrows, rather darker in color, running upwards towards 

 the tail, and meeting on its upper surface, above a mucus pore. The 

 extremity of the tail broad and liattened, spade-like, usually curved at its 

 point when the animal is in motion. The animal is more sluggish and 

 less sensitive to touch than the other species. Its labial tentacles are 

 highly developed, being nearly as long as the lower feelers. Measure- 

 ments of an indivi<hial in motion: Extreme length of foot 59, before shell 

 Ifj, behind shell 14, of shell on back 32, of tentacles 10; breadth of head 

 11 mill. 



Cat. No.lNo. ofSp.l 



Locality. 



8676 



Alabama. 



From whom i-Tnivnrl 



Hotnavks. 



W. G. Biuiii-y. 



Cab. series. 



Fic. 510. 



Zoiiites fUBligisBOSa, Geiff. — Shell thin, depressed on the upper 

 surface, epidermis dark, approaching to chestnut -color, shining and 

 smooth, wrinkled ; whirls four and a half, rapidly increasing, with 

 irregular, oblit^ue wrinkles, the last whirl very 

 voluminous, and expanding transversely towards 

 the aperture ; suture very little impressed ; 

 aperture very oblique, ample, lunate- ovate, 

 within pearly or iridescent ; peristome simple, 

 thin, brittle, with a light, testaceous deposit 

 Tvitliin, the two terminations approaching each 

 other very nearly, that of the columella some- 

 what reflected ; umbilicus deep, not much ex- 

 panded. Greater diam. 26, lesser 22 ; height 

 13 mill. 



Helix fuligitiosa, Griffith, in letters ; Binney, 



Terr. Moll. II, 222, pi. xxxi ; Bost. Journ, 



Nat. Hist. Ill, 417, pi. xxiv, excl. syn. 



(1840).— Leidy, T. M. U. S. I, pi. ix, f. 4 



(anat.). — Adams, Shells of Vermont, 161, excl. syn. (1842). — 



DeKay, N. Y, Moll. 37, pi. iii, f. 22 (1843).— Pfeiffer, Mon. Hel. 



Viv. I, 88 ; in Chejixitz, ed. 2, II, 104, pi. ixxxiv, f. 1-3.— Reeve, 



Con. Icon. 675 (1852).— W. G. Bixxey, Terr. Moll. IV, 105.— Morse, 



Amer. Nat. I, 315, f. 23, 24 (1867). 



Zonitts fiilfr/inosa. 



