THE BARNACLES TN THE V. S. NATIONAL MUSEUM. 119 



Plate IX. 



Fig. 1. ('onchodcrma virgafum {^''pengler). Woods Hole, Massachusetts. Length 

 about 25 mm. 



2. Conchoderma auritujit CLiniiisus). Cape Hatteras, on an iron buo)'. Length 



about 83 mm. 



3. Lepas anatijera Linmeus. Boca Chica Key, Florida, on driftwood. Length 



of capitulum 15 mm. 



4. Lepas anatifera. Diagram of base of the capitulum showing the umbonal 



tooth {t) of the right scutum. Vineyard Sound, INlassachusetts. 



5. Lepas anatifera, typical form. A^'ineyard Sound, Massachusetts. Length 



of capitulum 21 mm. 



6. Lepas fascictdaris Ellis et Solander. Albatross Station 2425, off eastern 



United States. Caiiitulum 20 mm. long. 



Plate X. 



Figs. 1-3. Verruca euglypta, new species. Oblique view from side of movable valves; 

 view from side of fixed scutum and tergum, and outline of rostral end. 

 Type. 

 4-7. Veituca darwini, new species. Views of side of movable valves, top, and 

 from side of fixed valves, and rostral end of the type. 

 8. Verruca darwini, top view of a topotype. 



Plate XL 



Figs. 1-3. Verruca caloiheca, new species. Top and carino-rostral views an<l outline 

 of rostral end of the type. 

 4-6. Verruca hoeki, new species. Carino-rostral, rostral, and tergo-scutal views 



of the type, XlO. 

 7-8. Verruca nexa alba, new subspecies. Top and carino-rostral views of the 

 type. 



