THE NAUTILUS. 128 
HAWAIIAN CYPREAIDE. 
BY D. D. BALDWIN, HAIKU, MAUI, H. I. 
In the following list of species reported from these Islands, those 
not known to me personally as Hawaiian are marked with an 
asterisk : 
Cypreea ann Roberts.* | Cypreea nucleus Linn. 
Cyprza annulus Linn. | Cyprza polita Roberts. 
Cyprzea arabica Linn. Cypreea poraria Linn. 
Cypreea argus Linn. Cypreea reticulata Mart. 
Cy prea carneola Linn. _ Cyprea spadix Migh.* 
Cypreea caput-auguis Phil. Cypreea scurra Chem. 
Cyprea caput-serpentis Linn. Cypreea semiplota Migh.* 
Cypriea childreni Gray. | Cyyrea staphylea Linn.* 
Cypreea cicercula Linn. _ Cyprea sulcidentata Gray. 
Cypreea erosa Linn. Cyprezea talpa Linn. 
Cypreea errones Linn. | Cypreea tessellata Sow. 
Cypreea fimbriata Gmel. Cypreea tigris Linn. 
Cyprzea helvola Linn. Cypreea unifasciata Migh.* 
Cypreea isabella Linn. Cypreea ventriculus Lam. 
Cy prea intermedia Gray. Cyprzea vitellus Linn. 
Cyprea limacina Lam.* Trivia exigua Gray.* 
Cy prea lynx Linn. Trivia grando Gask. 
Cyprea madagascariensis Gmel. | Trivia globulus Linn.* 
Cyprzea mauritiana Linn. Trivia insecta Migh. 
Cypreea moneta Linn. Trivia oryza Lam.* 
Cypreea microdon Gray. Trivia spherula Migh.* 
NEW VARIETIES OF UNIONIDE. 
BY BERLIN H. WRIGHT. 
U. gibbosus Barnes, var. armathwaitensis nov. 
The chief distinguishing characters of this variety are: Broader 
behind, lateral teeth shorter, darker epidermis, beak cavity more 
pronounced and angular, longer, posterior cavity greater, nacre 
usually a brighter purple and it is never as large or as massive as 
the typical form. 
Habitat.—A branch of the South Fork of the Cumberland River 
at Armathwaite, Fentress Co., Tenn. Typein National Museum. 
Remarks.—Mr. E. F. Hassler collected a quantity of these shells 
