Proceedings of The Academy of Natural Sciences (Vol. LXXXII, 1930)Academy of Natural Sciences |
Contents
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Common terms and phrases
adult afer Africa Angola angulation aperture apex apical band barbel basal birds blackish body to caudal Boulenger branched ray brown carina caudal base caudal femora caudal peduncle caudal peduncle depth cephalic Chiloango circuli collected color columellar combined head convex cranchii Criddle dark diam dorsal dusky E. H. Strickland edge fastigium female femora genera genotype genus gill filaments Gill rakers Grand Cayman gray Haplotrema Hebard Cln Helix interorbital Lake last whorl lateral line length Linné lobes longitudinal Lulua River male margin maxillary median Medicine Hat narrow outer oviduct pale paler paratypes pectoral penial penis peristome Pils Pilsbry Plate Polygyra Polygyroidea predorsal pronotal pronotum radula retractor River Scales sculpture shaft stripes shell slender slightly species specimens spermatheca spiral surface suture Swan Island teeth Text-fig Tinkham Cln transverse Type locality typical umbilicus upper vas deferens ventral VIII whitish whorls width


