IM.EKOCHKlI.U8, THAUMAST US. XIX 



Group of P. succinofdes. 



P. catheartiae Rve., x, S'2. P. succinoides Pet., x, 84; xiv, 128. 



P. (?) victor Pfr., x, 82. B. succineoic/es Mart. 



P. jucundus Pt'r., x, 82. Succinea bulimoides Pfr. 



P. quadricolor Pfr., x, 83. B. latilabris Pfr. 



P. dalmasi Dautz., xiv, 128. P. calliostoma Dohrn, x, 85. 



P. argenteus Jouss., xiv, 128. 



P. veranyi Pfr., x, 83. 



var. scytodes Pfr., x, 84. 

 sytodes Ads., x, 199. 



* 



Group of P. castaneus. 



P. oastaneus Pfr., x, 85; xiv, 131. P. jimenezi Hid., x, 86, 199. 

 P. elaeodes Pfr., x, 86. B. gibbonius Hid. olim. 



P. aristaeus Crosse, x, 88, 199. 



Group of P. taylorianus. 



P. piperitus Sowb., x, 89. P. superstriatus Sowb., x, 91. 



P. pu/icaritis Bk., xiv, 132. var. prodeflexus Pils., x, 91. 



P. piperatoides Pils., xiv, 132. P. aureonitens Mill., x, 91. 



P. pseudopiperatus Mor., x, 89. P. tricolor Pfr., x, 87; xiv, 131. 

 P. taylorianus Rve., x, 90 ; xiv, var. semipictus Hid., x, 87. 



132. ? Simputopsis fnlgnrata Mill., 



E. taylorioides Mill. xii, 227. 



Group of P.jloccosus. 



P. floccosus Spix, x, 92. P. onca Orb., x, 93. 



P. lacrimosus Heitnb., x, 199. B. onza Alb. 



P. pintadinus Orb., x, 93. P. lynciculus D. & H., x, 94. 



Helix pentadina Orb. P. semperi Dohrn, x, 94. 



Genus THAUMASTUS Albers, 1860. 



Thaumastns ALB., as restricted by Pilsbry, Man. Conch, x, p. 43, 

 type T. hartwegi Pfr Orphnus ALB., preoc, type B. taunai'sii. 

 Orphaicus Schaufuss, in Paetel's Catal. 1864, p. 14, proposed as a 

 substitute for Orphnus Tatutor Jouss., 1887, type T. tatutor. 



Shell rather large, narrowly unibilicate or imperforate, long-ovate 

 with lengthened spire and blunt apex ; moderately solid, opaque, 

 usually dark, streaked, and generally having a light peripheral band. 

 Nepionic whorls 2^ to 3, sculptured with fine vertical waved or inter- 



