GENERA AND SPECIES. IOy 



Adeorbis. (ADEORBID^E). Plate xxiv. 



438. sub-carinatus.&m.x ^in. shell trochiform, with a flattened base and 

 a deep umbilicus. 



JEgirus. (POLYCERIDJE.) Plate xxxiii. 



605. punctihtcens, f in. purplish brown, sprinkled with white and 



brown. 



JEolis. (&OLIDIDM.) Plate xxxi. 



i. Body broad, branchial processes or papillae in many trans- 

 verse rows. 

 ii. Branchial processes clustered, dorsal tentacles laminated, 



angles of foot produced. 



iii. Dorsal tentacles smooth, angles of foot produced. 

 iv. Dorsal tentacles with a bulbous swelling, 

 v. Branchial processes in close set rows, 

 vi. Branchial processes in distant rows, 

 vii Branchial processes inflated, 

 viii. Branchial processes in a single row on each side. 



i. Body broad, branchial processes or papillae in many transverse rows 

 papillosa, 3 in. dorsal tentacles brown, tipped with white. 



glauca, if in. dorsal tentacles red, tipped with white. 



alderi, f in. dorsal tentacles bright yellow. 



ii. Branchial processes clustered ; dorsal tentacles laminated, angles 

 of foot produced 



591. coronata, i in. dorsal tubercles yellowish, branchial pro- 



cesses with a white ring at the end. 



drwnmondi, i in. dorsal tentacles fawn coloured. 



punctata, i in. dorsal tentacles yellowish, branchial pro- 



cesses spotted with white. 



elegans, % in. dorsal tentacles drab, with white tips. 



iii. Dorsal tentacles smooth, angles of foot produced 



nifibranchiata, i in. body white ; branchial processes rosy, tipped 

 with white. 



lineato, i in. body white ; branchial processes rosy, ringed 



with white. 



gracilis, Jin. body white; branchial processes orange, 



ringed with white. 



smaragdina, \ in. body white; branchial processes green, tipped 



with white. 



pellucida, f in. body white ; branchial processes red, tipped 



with white. 

 landsburgi, % in. body violet. 



