. Mollusca ... de opposite the top of the parietal lamella. This tooth is oftenwanting. Length 10, breadth Tj, height 0 mm.; of a smaller specimen ,5|, and 4 ; of /S. tJtehawi 10, 7, and 6. I/ab. Arrakan and Pegu ; /S. thehaivi from Pingoung, ShanHills, Upper Burma. 7. Streptaxis pfeiiferi, Zekl>«r, Ierh. zool-Jiot. Gex. llien, xvii,1867, p. 806; Pfi: Mon. Ilel. v, 1868, p. 444 ; id. t. c. vii, 1876,p. ; Godwin-Austen, P. Z. S. , ]i. 443. Streptaxis pfeiHidvioiuis, >Stol. J. A. S. B. xl, pt. 2, 1871, pi. 8, fig. 6(animal) ; Nev. Ilmid-l. i, 1878, p. 2. Var. minor, Miircli,
. Mollusca ... de opposite the top of the parietal lamella. This tooth is oftenwanting. Length 10, breadth Tj, height 0 mm.; of a smaller specimen ,5|, and 4 ; of /S. tJtehawi 10, 7, and 6. I/ab. Arrakan and Pegu ; /S. thehaivi from Pingoung, ShanHills, Upper Burma. 7. Streptaxis pfeiiferi, Zekl>«r, Ierh. zool-Jiot. Gex. llien, xvii,1867, p. 806; Pfi: Mon. Ilel. v, 1868, p. 444 ; id. t. c. vii, 1876,p. ; Godwin-Austen, P. Z. S. , ]i. 443. Streptaxis pfeiHidvioiuis, >Stol. J. A. S. B. xl, pt. 2, 1871, pi. 8, fig. 6(animal) ; Nev. Ilmid-l. i, 1878, p. 2. Var. minor, Miircli, Jour, de Cuucli. Oct. 1876, p. .359. Kar Nicobar. Var. puuiilio, Miirch, t. e. Oct. 1876, p. .3iJ9. Kamorla. Similar lo 6. hm-nianiciis, but with half a whorl less; the STEEPTAXIS. r sculpture above is finer; the base around the umbilicus is rounded,not compressed; the parietal lamella less developed; the mouthmore rounded; the peristome ou the outer side much less convex,and neither compressed nor [e\ X 158 & 296.] [The radula has the formula 29 . 1 . 29. The centre toothi issmaller than the first and second; in one specimen examined thecentre tooth was quite rudimentary.] Length 8#, breadth 6, height 4^ mm. Hah. Nicobar Islands ; Camorta, Katchall, Kar Nicobar. c. OvateJy conoid ; pemdtimate ivhorl completelij hidden from beneathhi/ body-ivhorl, ivhen seen in the direction of tlie axis of thevpper ivhorh. 8. Streptaxis solidulus, Stol. J. A. .S. B. xl, pt. 2, 1871, p. 166,pi. 7, fig-. 10; Pfr. Mon. Hel. vii, 1876, p. 494; H. 8,- T. C. , pi. 98, fig. 7 ; Nev. lland-l. \, 1878, p. 3. Shell moderately umbilicated, whitish, solid, finely and costulate above, smooth beneath ; spire conical; whorls 6J,the upper flatly convex, penultimate rounded at periphery, body-whorl by far the largest and deepest, slightly compressed aroundthe umbilicus; aperture seniioval, parietal lamella moderate ;peristome expanded throughout, near
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Keywords: ., bookcentury1900, bookdecade1900, bookpublish, booksubjectmollusks
