310 



MR WALTER E. COLLINGE ON THE 



XL Bibliography. 



1. Cockereli., T. D. A., "A Check-List of the Slugs," Conchologist, 1893, vol. ii. pp. 168-176 and 



185-232. 



2. Collinge, Walter E., " On the Anatomy and Systematic Position of the Genus Philippinella, 



Mlldff.," Semper's Reisen im Arch. d. Philip., 1899, Bd. viii. pp. 54-60, T. viii. 



3. Collinge, Walter E., and Godwin-Austen, H. H., " On the Structure and Affinities of some new 



Species of Molluscs from Borneo," Proc. Zool. Soc, 1895, pp. 241-250, pis. xi.-xiv. 



4. Godwin- Austen, H. H., Land and Freshwater Mollusca of India, vol. i. pts. i.-vi., 1882-1888. 



5. Godwin- Austen, H. H., Land and Freshwater Mollusca of India, vol. ii. pts. vii.-ix., 1897-1899. 



6. Issel, A., "Molluschi Borneensi," Annali d. Museo Civico Genova, 1874, vol. vi. pp. 366-486, 



T. iv.-vii. 



7. Keferstein, W., " Ueber Parmarion (Urocyclus) flavescens, n. sp.," Malak. Bldtt., 1866, Bd. 



xiii. pp. 72-76, T. ii. 



8. Mollendorff, 0. F. vou, "'Diagnoses specierum novarum ex insulis Philippines," Nadir, d. 



Deutsch. Malak. Gesell., 1894, pp. 81-121. 



9. Plate, L. H., "Studien fiber opisthopneumone Lungenschnecken. II. Die Oncidiiden," Zool. 



Jahrb. (Abth. f. Morph.), 1893, Bd. vii. pp. 93-234, Taf. 7-12. 



10. Schepmann, M. M., "The Mollusca of the Dutch Scientific Borneo Expedition, with description of 



the new species," Notes from the Leyden Mus., 1895, vol. xvii. pp. 145-162, pis. 2-4. 



11. Semper, C, Reisen im Archipel der Philippinen, 1870, Th. II. Bd. iii. " Landmollusken." 



12. Simroth, Heinrich, " Ueber einige Parmarion- Arten," Zool. Ergebnisse einer Reise in Niederlandisch 



Ost-Indien, 1893, Bd. iii. pp. 100-111, T. vii., viii. 



13. Simroth, Heinrich, " Ueber die Gattungen Parmacochlea, Parmarion und Microparmarion" 



Zool. Jahrb. (AUh.f. Syst.J, 1898, Bd. ii. pp. 151-172, T. 15. 



14. Wiegmann, F., " Landmollusken (Stylommatophoren) Zootomischer Teil," Abhandl. d. Sencicenb. 



naturf. Gesell., 1898, pp. 289-557, Taf. xxi.-xxxi. 



XII. Reference Letters. 



alb.gl. Albumen gland. 

 ap. Aperture of dart. 

 c.d. Cavity of dart. 

 c.d.gl. Cavity of dart-gland. 

 c.e. Columnar epithelium. 

 c.t. Connective tissue. 

 cm. Circular muscle fibres. 



d. Dart. 

 d.gl. Dart-gland. 

 d.s. Dart sac. 



div. Diverticulum of penis. 

 ep. Epithelium. 

 f.ov. Free-oviduct. 

 gl. Gland cells. 

 H. Henkel. 

 h.d. Hermaphrodite duct. 



h.gl. Hermaphrodite gland. 



i.c.l. Inner calcareous layer. 



l.m. Longitudinal muscle fibres. 



l.p. Lateral plane of foot-sole. 



m.p. Median plane of foot-sole. 



o.c.l. Outer calcareous layer. 



ov. Oviduct. 



p. Penis. 



pr. Prostate. 



r.m. Retractor muscle. 



r.m.f. Radial muscle fibres. 



r.s. Receptaculum seminis. 



v. Vestibule. 



v.d. Vas deferens. 



vg. Vagina. 



