The Genus Gyrotoma 23 



Gyrotoma incisum (Lea) 

 PI. II, figs. 26, 27, 28, and 29 



Anculosa incisa Lea, Proc. Amer. Phil. Soc, II, 1843, p. 243; Trans. Amer. Phil. 

 Soc, IX, 1844, p. 28. 



Schizostoma incisa Lea, Wheatley, Cat. Shells U. S., 1845, p. 28; Lea, Trans. Amer. 

 Phil. Soc, X, 1848, p. 93 ; Lea, Obs. Gen. Unio, IV, 1848, pp. 28, 93 ; Lea, Proc. Acad. 

 Nat. Sci., Phila., XII, i860, p. 186; Hanley, Conchol. Misc., Melania, 1854-58, pi. 5, 

 figs. 44, 45; Lewis, Amer. Journ. Conchol., V, 1869-70, p. 168; Tryon, Monog. Strepom., 

 ^^73, PP- xxiii, XXV, 378; Lewis, Fauna of Ala., 1876, p. 23; Hinkley, Nautilus, XVIII, 

 1904, pp. 40, 41. 



Melania incisa Lea, Jay, Cat., 4th ed., 1852, p. 274. 



Leptoxis incisa Lea, Haldeman, in Chenu's Illustrations Conchyliog., 1843-53, liv. 

 .73, P- 2, pi. I, figs. 24-26; Binney, Check List, i860. No. 363. 



Gyrotoma incisa Lea, H. & A. Adams, Genera, I, 1858, p. 305 ; Binney, Check List, 

 i860, No. 323; Brot, List, 1862, p. 27; Paetel, Cat., 1888, p. 362; Goodrich, Anculosae 

 Ala. Drain., 1922, p. 56. 



Gyrotoma laeta incisa (Lea), Hannibal, Proc. Malacol. Soc, X, 1912, p. 182. 



Melatoma incisum Lea, Reeve, Monog. Melatoma, i860, sp. 4. 



Schizostoma curta Mighels, Bost. Proc, I, Oct. 1844, p. 189; Tryon, Monog. 

 Strepom., 1873, pp. xv, 363; Lewis, Fauna of Ala., 1876, p. 22. 



Gyrotoma curta Migh., H. & A. Adams, Genera, I, 1858, p. 305; Binney, Check 

 List, i860. No. 314. 



Gyrotoma curta Gould, Brot, List, 1862, p. 27; Paetel, Cat., 1888, p. 361. 



Gyrotoma olivula excisa (Lea), Hannibal, Proc. Malacol. Soc, X, 1912, p. 181. 



Schizostoma Biiddii Lea, Proc. Amer. Phil. Soc, IV, 1845, p. 167; Trans. Amer. 

 Phil. Soc, X, 1848, p. 94, pi. ix, fig. S2> I Obs. Gen. Unio, IV, 1848, p. 94, pi. ix, fig. 53 ; 

 (Dbs. Gen. Unio, IX, 1863, p. 74; Lewis, Amer. Journ. Conchol., V, 1869-70, p. 168; 

 Tryon, Monog. Strepom., 1873, pp. xv, 370; Lewis, Fauna of Ala., 1876, p. 22. 



Gyrotoma Buddii Lea. H. & A. Adams, Genera. I, 1858. p. 305; Binney, Check 

 List, i860. No. 308; Brot, List, 1862, p. 27; Paetel, Cat., 1888, p. 361. 



Schizostoma constricttim Lea, Proc. Amer. Phil. Soc, IV, 1845, p. 167; Trans. 

 Amer. Phil. Soc, X, 1848, p. 94, pi. ix, fig. 55; Obs. Gen. Unio, IV, 1848, p. 94, pi. ix, 

 fig. 55; Proc. Acad. Nat. Sci., Phila., XII, i860, p. 186; Journ. Acad. Nat. Sci., Phila., 



V, n. s., 1862, p. 246; Obs. Gen. Unio, IX, 1863, p. 68; Journ. Acad. Nat. Sci., Phila., 



VI, 1866, p. 149; Obs. Gen. Unio, XI, 1867, p. 105; Lewis, Amer. Journ. Conchol., v] 

 1869-70, p. 168; Tryon, Monog. Strepom., 1873, pp. xv, 373, 374; Lewis, Fauna of 

 Ala., 1876, p. 22. 



Gyrotoma constricta Lea, H. & A. Adams, Genera, I, 1858, p. 305 ; Binney, Check 

 Xist, i860, No. 302; Brot, List, 1862, p. 27; Paetel, Cat., 1888, p. 361. 



Schizostoma funiculatum Lea, Proc. Amer. Phil. Soc, IV, 1845. P- 167; Trans. 

 Amer. Phil. Soc, X, 1848, p. 95, pi. ix, fig. 56; Obs. Gen. Unio, IV, 1848, p. 95, pi. ix, 

 fig. 56; Tryon, Monog. Strepom., 1873, pp. xv, 371. 



Gyrotoma funiculata Lea, H. & A. Adams, Genera, I, 1858, p. 305; Binney, Check 

 List, i860. No. 318; Brot, List, 1862, p. 27; Paetel, Cat, 1888, p. 362. 



Gyrotoma quadrata Anthony, Proc. Acad. Nat. Sci., Phila., XII, Feb. i860, p. 65 ; 

 Binney, Check List, i860. No. 330; Paetel, Cat., 1888, p. 362. 



Melatoma quadratum Anth., Reeve, Monog. IMelatoma, i860, sp. 7. 



Schizostoma virens Lea, Proc. Acad. Nat. Sci., Phila., XII, i860, p. 187 ; Journ. 

 Acad. Nat. Sci., Phila., V, n. s., 1862, p. 253, pL 35, fig. 59; Obs. Gen. Unio, IX, 1863, 

 p. 75; pi. XXV, fig. 59. 



Gyrotoma zircns Lea, Binney, Check List, i860. No. 335; Brot, List, 1862, p. 28; 

 Paetel, Cat., 1888, p. 362. 



Gyrotoma obliqua Anth., MSS., Tryon, Monog. Strepom., 1873, p. 378; Paetel, 

 Cat., 1888, p. 362. 



