■ 1 [ombron & Jacquinot. 



. .. J i 5ud, Vol. V, p. in, pi. . 20. 



1 



ai h. Vol. \ I. p 

 . ii. Ann. .nul Mag. Nat. II XIII, 19041 p. 



M. ( ...ii 1 sand. ; Spec. 

 •. I oml M. and less. Mud, coral and coralsand. 1 Spec. 



ir South fort. 55 M. Mud with p fine coralsand. 4 E 



ra-bay. NI. Fine grey san nd with shells and stones. 5S 



St.it. 53. 1 si, Sumba. Up to j6 M. Coralsand. 1 spec. 



.:. 71. Up \2 M. Mud, sand with mud, coral. 1 Spec. 



\o' E. Sulu-archipela M. Stony bottom. 2 Spec. 



V. 121 19 E. Sulu-archipeli M. Coral botton. 3 Spec. 



.t. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine. 5 Spec. 



Kwandang-bay-entrance. -2 M. Fine sand with mud. 6 Spec. 

 11 S., 127 25 E. Near Batjan. y>j M. Mud. stones and coral. 1 S] 



. 130 5'-3 E. Xear Waigeu. 469 M. ( oarse sand and broken shells. 1 Spec. 

 59'. 1 S., I-".) 48 '.8 E. Halmahera-sea. 411 M. 2 Spec. 



5., I30°47'.5 E. Xear west New-Guinea. 32 M. 4 Spec. 

 it. 174. Waru-bay, north coast of Ceram. 18 M. Mud. 2 Spec. 



[3. Saleyer. Up I I. Coralreefs, Mud and mud with sand. 1 Sp 



North point of Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 2 Spec. 

 tst of Timor. 34 M. Limit between mud anti coral. 5 Spec. 

 14. io°i2'.2S., 1 -4-7 .3 I'".. Timor-sea 73 M. Soft mud with very fine sand. 1 Spec. 

 S., 122 5 ; .5 E. Savu-sea. 247 M. Sandy mud. 5 Sp 

 I of Dan i-bay. Up to 36 M. Sand, coral and mud. 3 Spec. 



Though the species is rather variable in colour and even slightly in sculpture, none of 



imens 1 sufficiently with /'. gemmata I linds, as described and figured by Rnvi. 



the whorl by do means so strongly concave between two keels, so I have foliowed Smith (1. c.) 



in naming them /'. fusca\ tlie specimen from Stat. 156 is very doubtful, being a worn shell, 



whicl ver in shape with typical P. fusca, as figured by Tryon. Mr. Smith, whom 



I wx question, persists in nis opinion, that the two forms are separable and that 



nmata is Californian. May it be that /'. gemmata of many authors is not the same 



lat of llr 5 »me very young specimens are of course rather doubtful. 



14. Pletirotom nut la) monilifera Pease. 



Proc. Z . Lond. 1 ■'• o, p. 398. 



Wl . Martini-Chemn. Conch. Cab. Ed. II, Vol. IV. Pleurotoma, p. 73, PI. 15, fig. 7,9. 



Man. of Conch. Vol. VI, p. 17;, PI. 4. fig. 52 {gemmata pa 



i idjot, Lombok. 22 M. and less. Mud, coral and coralsand. 1 Spec. 



i-bay, Tanah Djampeah. Up to 32 M. Coral. coralsand. 1 Spec. 

 I Kwandang-bay-entra 1 M. Fine sand with mud. 2 Spec. 



Is ofWowoni and Buton, western entrance of Buton-strait. 75— 94M. 



Sand with dead shells. 2 Spec. 



North point of Nuhu Jaan, Kei-Clan I I and shells. 4 Spec. 



: - ; lec. 



