22 C/tl.irORNlA ACADEMY OF SCIENCES [Proc. 4th Sf.r. 



EXPLANATION OF PLATE 1 



Fig. I. Leptochiton hcathi Berry. Dorsal view of entire animal (type) 

 [123] :x 7. 



Fig. 2. Leptochiton heathi Berry. Ventral view of entire animal (type) 

 [123] :x 7. 



Fig. 3. Hanleya spicata Berry. Dorsal view of entire animal (type) 

 [63] : X 15^2. 



