AMI'HIDROMUS, GROUP IV. 151 



Alt. 41, diam. 21, aperture 19^ mill. 



Color-form infraviridis Martens (pi. 52, figs. 59-65). Greenish- 

 yellow or citron colored, the base pale green ; or with the base also 

 greenish-yellow (pi. 50, fig. 41, 42). 



Color-form strigosus Martens (pi. 52, figs. 57, 58). Streaked 

 from suture to base with continuous, rather narrow brown streaks. 



Java : Pardana in the Bantam residency, Rogodjampi, Banjumas 

 res., and the island Nusa-Baron (Zollinger) ; Surabaya (Martens) 

 forms infrapictus and strigosus. 



Bali: Djembrana and Bulding (Zollinger), short and conic, the 

 markings between infrapictus and strigosus. 



Borneo (Schwaner), rather long strigosus, many with reddish 

 apex, the aperture comparatively large, peristome thin ; Bandjer- 

 masin (Bock). 



Celebes : the southern peninsula, plentiful (see below). 



Helix interrupta MXJLLER, Verm. Terrestr. et Fluv. ii, p. 94 

 (1774). CHEMNITZ, Syst, Conchyl. Cab. ix, p. 154, pi. 134, f. 



1213, 1214 (1786); edit. nov. pi. 10, f. 4, 5 DILLWYN, Descript. 



Catal., ii, 937 Bulimus interruptus Miill., PFR., Zeitschr. f. Malak. 

 1849, p. 131 ; Conchyl. Cab. pi. 22, f. 4; pi. 41, f. 9, 10? BOCK, 

 P. Z. S., 1881, p. 633 Bulimus interruptus var. sultanus Mouss., 

 Moll. Java, p. 30, 31, 109, pi. 4, f. 1, 2 (Puger, on the islet Nusa- 

 Baron) ; Zeitschr. f. Malak., 1849, p. 179. Bulimus interruptus 

 var. infrapictus MARTENS, Ostas. Landsch. p. 344, pi. 20, f. 1, 9 

 (= typical interruptus} ; var. strigosus, pi. 20, f. 3, 6 ; var. infra- 

 viridis, pi. 20, f. 2, 5, 8 (1867). Amphidromus interruptus Miill., 

 SEMPER, Reisen, p. 147 (anatomy; locality of specimens not stated). 

 MOELLENDORFF, Nachrbl. d. D. Malak. Ges., 1896, p. 145, and 

 var. contracta, p. 146. Bulimus sultanus var. b, LAM., An. s. Vert. 

 VI, pt, 2, p. 119; DELESSERT, Recueil de Coq., pi. 27, f. 6 (the 



strigosus form) Bulimus citrinus Brug., SWAINSON, A Catal. of 



the rare and valuable Shells which formed the celebrated collection 

 of the late Mrs. Bligh, appendix p. 13, lower fig. of first plate (the 

 strigosus form) Bulimus dexter Miill., DESH in Fer., Hist., ii, pt. 



2, p. 22, pi. 161, f. . 7, 8 ("infrapictus") Bulimus per versus L., in 



part, DESK, in Fer., Hist., ii, pt. 2, p. 20, pi. 161, f. 5, 6 (the 

 "infrapictus" form. B. perversus var., PFR., Monogr. ii, p. 39. 

 A. perversus interruptus SARASIN, Die Land-Mollusken von Celebes, 

 p. 209 (1899). 



