— 77 — 



VII. Sect. Callopoma Gray. 



1514. C. saxosus Wood. Panama. 



yni. Sect. IViiiella Gray. 



1515. N. stamineus Martyn. Australien. 



///. Trib. Astraliinae. 



160. Gen. Astralium Link. 

 I, Sect. Astralium Link. 



1516. A. imperiale Cli. N.-Seeland. 



1517. A. costulatum Lam. Ind. Ocean. 



1518. A. longispinum Lam. Antillen. 



1519. A. imbricatum Gm. Ind. Ocean. 



1520. A. ? Antillen. 



II. Sect. Stella Klein. 



1521. S. aculeatum Gm. Ostindien. 



1522. S. asperatum Lam. Singapore. 



161. Gen. Uvanilla Gray^ 



1523. U. Buschii Phl. Panama. 



1524. U. unguis Wood. Panama. 



1525. U. nodosa Wood. Californien. 



162. Gen. Pachypoma Gray. 



I. Sect. Pachypoma Gray. 



1526. P. caelatum Ch. Antillen. 



II. Sect. Lithopoma Gray. 



1527. L. tuber L. Mittelmeer. 



IV. Sect. Cookia Less. 



1528. C. Cookii Ch. X.-Seeland. 



V. Sect. Bolma Riss. 



1529. B. rugosum L. Mittelmeer. 



IV. Trib. Liotii?iae. 

 163. Gen. Liotia Gray. 



1530. L. radiata Kien. Ostindien. 



1531. L. sculpta Ph. ? 



