278 
Mr. T. D. A. Cockerell’s Notes on Slugs. 
Sect. b. Ccerulei . Body without dorsal band, reticulation compara- 
tively simple iii. P. cceruleum , Ckll. 
Sect. c. Typicu Body with a pale dorsal line. 
iv., v. Ochreous species. P. pacificum , Ckll., and P. flavum , 
Ckll. (praec. var. ?). 
vi., vii. Greyish species. P. Andersoni , Coop., and P. Hemp- 
hilli, B. & B. (prase, var.). 
(2) With a caudal mucus-pore. Gen. (praec. subg.) Phenacarion , Ckll., 
1890. 
i. Back with no dark band. 
P. folio latum, Gould. 
ii. Back with a dark band. 
P. Hemphilliy W. G. Binn. 
B. Sole differentiated into parts ; respiratory orifice nearly median or 
slightly posterior. 
(1) No caudal mucus-pore. 
(1«) Genital orifice close to right eye-peduncle ; back keeled. 
Gen. nov. Anadenulus y Ckll. 
i. A. Cocker elli, Hemph. 
(16) Genital orifice not close to right eye-peduncle ; back not keeled. 
Gen. Anadenus , Heyn., 1863. 
Sect. a. Sulcati. Body with deep transverse sulci. 
i. A. Jerdoni , G.-Aust. 
Sect. b. Altivagi. Body with oblique fine sulci. 
ii. A. altivagus , Theob. 
iii. A. modestus , Theob. (praec. juv. P). 
iv. A. Schlagintweiti , Heyn. 
(Sect. ? v., vi. A . Blanfordi , G.-A., A. insignis , G.-A., not seen by me.) 
(2) With a caudal mucus-pore ; genital orifice not close to right eye- 
peduncle v Gen. Ariolimax , Mcirch, 1860. 
Sect. a. Maximi. Large species. 
i. A columbianuSy Gould. (California 
to British Columbia.) 
ii. A . calif amicus. Cooper. (Cali- 
fornia.) 
iii. A . costaricensis , Ckll., nov. (Costa 
Bica.) 
Sect. b. Parvuli . Smaller species. 
iv. Sole mottled .... A. niger , Coop. 
v. Sole not mottled . . A. Hemphilli , W. G. B. 
(Also of this genus : vi. A . Andersoni , W. G. B. ; vii. A. Hecoxi , 
Weth., spp. dub.) 
Later on I shall have to publish some rather copious notes 
on the American species ; meanwhile it will be useful to 
note : — 
