24 



Stat. 177". 2° 30' S., 129° 28' E. 8 spec. 



Stat. 184. Kampong Kelang. 2 spec. 



Stat. 185. Manipa Strait. 8 spec. 



Stat. 193. Sanana Bay, Sula Besi. 4 spec. 



Stat. 194—197. i°53'S., 127° E. 8 spec. 



Stat. 203. 3°32'.5S., i24°i5'.5E. 6 spec. 



Stat. 205. Lohio Bay, Buton Strait. 10 spec. 



Stat. 210'. 5° 26' S., 121° 18' E. 2 spec. 



Stat. 215". North-point of Kabia Island. 15 spec. 



Stat. 220. Pasir Pandjang, Binongka. ± 20 spec. 



Stat. 223. 5°44'.7S., 126° 27'. 3 E. 17 spec. 



Stat. 224. 5° 34' S., 127° 4' E. 5 spec. 



Stat. 225. Near the Lucipara Islands. 2 spec. 



Stat. 276. 6°47'.5 S., i28°4o'.s E. 2 spec. 



Stat. 315. Sailus Besar, Paternoster Islands. 16 spec. 



From this long list of stations it results that this species is most abundant in the East- 

 Indian Archipelago. Together with the following species, it is certainly by far the most common 

 form in this region. 



The numerous variations in form, according to which many different titles have been 

 used, will be discussed further on. 



2. Clio (Creseis) acicula (Rang). 



1828. Creseis acicula Rang, Notice sur quelques Mollusques nouveaux, etc. Ann. d. Sc. Nat. 



sér. I, vol. XIII, p. 318, pi. XVII, fig. 6. 



1829. Creseis aciis Eschscholtz, Zool. Atl. Heft III, p. 17, PI. XV, fig. 2. 



1836. Hyalaea acicidata d'Orbigny, Voyage dans l'Amérique meridionale, vol. V, p. 123, 



pi. VIII, figs. 29 — 31. 

 1850. Styliola recta Gray, Catalogue of the Mollusca in the collection of the British Museum, 



prt. II, Pteropoda, p. 18. 

 1852. Cleodora acicula Souleyet, Voyage de la Bonite, Zool., vol. II, p. 194, pi. VIII, figs. 10 — 17. 

 188S. Clio (Creseis) acicula Pelseneer, Chall. Rep. LXV, p. 51. 



Living animals: 



Stat. I. 7° 27'. 5 S., 113° 8'. 5 E. • ± 30 spec. 



Stat. 2. 7° 25' S., 113° 16' E. 7 spec. 



Stat. 35. 8° o'. 3 S., 116° 59' E. ±15 spec. 



Stat. 37. Sailus Ketjil, Paternoster Islands. rh 40 spec. 



Stat. 47'. Batu Putih, entrancc Bay of Bima. i spec. 



Stat. 50. Bay of Badjo, West-coast of Flores. +: 25 spec. 



Stat. 66. Between Bahuluwang and Tambolungan. 45 spec. 



Stat. 71. Makassar. 11 spec. 



Stat. 89. Pulu Kaniungan Ketjil. 12 spec. 



Stat. 96. Pearl-bank, Sulu Archipelago. 1 1 spec. 



Stat. 99. 6° 7'.5 N., 120° 26' E. 18 spec. 



Stat. 104. Sulu-harbour, Sulu Island. ± 30 spec. 



Stat. 106. Kapul-island, Sulu Archipelago. 20 spec. 



Stat. 109. Pulu Tongkil, Sulu Archipelago. 15 spec. 



Stat. iio. 4° 34' N., 122° o' E. 5 spec. 



Stat. 112. 3° r N., 122° 2' E. 7 spec. 



Stat. 117'. i°i5' N., 123° 37' E. 12 spec. 



Stat. 118. i°3S' N., 124' 2'6'.2'E. 1 spec. 



