— 336 — 



formosa var. arborescem ii. var. and Staurodoris maculatn. — 

 H.-B. PuESTON. Descriptioa of a new species of Achatina trom 

 the Zambesi [4. Morrelli m. sp.] (fig.). 



Vol. VI, u° 5, june 1905. 



Contents : E.-A. Smith. Obituary Notices : T. -G. Bond Howes, 

 C. E.v. Martens. — E.-R. Sykes. Variation in Hecent Mollusca 

 (tigs.). — G.-C. Crigk. Note on the Horizon and Locality of tlie 

 Type spécimen of Pleuronautilus pulcher Crick. — E.-A. Smith. 

 Note on the Vitality of three Species of Littorina.— G.-C. Crick. 

 On a Dibranchiate Cephalopod, Styracoteuthis orienlalis iiov» 

 ^eii. et 11. SI».,, from the Eocene of Arabia (figs.)- — G.-B. 

 SowERBY. Descriptions of seven new species of Marine Mol- 

 lusca from the collection of the late admirai Kej)pel [Pecten Kep- 

 pelianus n. sp... Ascension Island? ; Tellina (PeronneaJ Âscen- 

 sionis II. SI»., Ascension ; T. {TellineUa) p)ismatica, Venus 

 {Chione) Keppeliana, Diplodonta anriculata, Pmtoma pulchra, 

 Conus fuscollnealus mi. j^pii., Sierra Leone] (tîgs.). — G.-K- 

 GuDE, On the occurence of internai septa in Glyptostoma Newber- 

 ryanuni (figs.). — R.-G. BariNES. Noie on a Dart fouud in the 

 Body cavity of Hélix aspersa (fig.). — H. -A. Pilsbry. Anato- 

 mical and Systematic Notes on Dorcasia, Trigonephrus iiov. 

 gen., Corilla, Thersites and Chlorilis (pi. XIII et XIV). — 

 A. Reynell. Some account of the Anatomy of Cassidaria rugosa 

 L. (pi. XV). — H.-B. Preston. Notes on a small collection of 

 Shells from the Victoria Falls, Zambesi River, wilh descriptions 

 of new species [Vivipa7-a densestriata, Cleopatra Morrelli (el var. 

 costata), Unio zambesiensis nu. spi».]. — H.-C. Burnup. Des- 

 criptions of six new spocies of Land Shells from South Africa 

 [Ena i'PacfmodusJ Me Beaniana n. sp., Transvaal ; Curvella 

 Croslyi il. si». Zululand ; C. straminea, C. succinea, C. elevata 

 1111. s|».. Cape Colony ; Obeliscus natalensis n. .ssi.. Natal] 

 (pi. XVI). 



Vol. VI, n° 6, september 1903. 



Contents: R. Ashlngton Bullen. Notes on Pleistocene and 

 Récent Shells from Crète. — R. Ashington Bullen. Notes on 

 Land and Fresh-Waler Shells from the Alhambra Ditch, Gra- 

 nada, Andalucia, Spain ; on Récent Land Shells from varions 

 localities near Carmona, Province of Sevilla ; and on Land, 

 Fresh-Water and Marine Shells from Holocene deposits, Car- 

 mona (lig.). — E.-A. Smith. Description a new species of 



