278 Mr. T. D. A. Cockevoll's A^o/es on Slurjs. 



Sect, b, Ccerulei. Body without dorsal band, reticulation compara- 

 tively simple iii. P. cavideum, Ckll. 



Sect. e. Typici. Body with a pale dorsal line. 



iv., V. Ochreous species, P. padficum, Ckll., and P. Jlavitm, 

 Ckll. (price. \&r.?). 

 vi., vii. Greyish species. P. Ayidersoni, Coop., and P. Ihmp- 



hilli, B. & B. (prsec. var.). 



(2) With a caudal mucus-pore. Gen. fprnec. subg.) Phetmcarion, Ckll., 



18fl0. 



i. Back with no dark band. 



P. foliolutum, G uld. 

 ii. Back with a dark band. 



P. nemphilU, W. G. Binn. 



B. Sole differentiated into parts; respiratory orifice nearly median or 

 .'(lightly posterior. 



(1) No caudal mucus-pore. 



(1«) Genital orifice close to right eye-peduncle ; back keeled. 



Gen. nov. Anadenulus, Ckll. 

 i. A. Cockerelli, Hemph. 



(16) Genital orifice not close to right eye-peduncle ; back not keeled. 



Gen. Anndemis, Heyn., 1863. 

 Sect. a. Sidcati. I?ody with deep transverse sulci, 

 i. A. Jerdoni, G.-Aust. 



Sect. b. Altivagi. Body with oblique fine sulci. 



ii. A. aJtira(ju.<i, Theob. 

 iii. A. mndpstus, Theob. (pra?c. juv. ?). 

 iv. A. SchUujiyiticeiti, Hejni. 



(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 Gen. Ariolimax, Miirch, 1860. 



Sect. a. Maximi. Large species. 



i. A columhianns, Gould. (California 



to British Columbia.) 

 ii. A. califunnciis, Cooper. (Cali- 

 fornia.) 

 iii. A. costan'censis, Ckll.. nov. (Costa 

 Rica.) 



Sect. b. Parvuli. Smaller species. 



iv. Sole mottled .... A. m'tjer, Coop, 

 v. Sole not mottled . . A. HcmphiUi, W. G. B. 



(Also of this genus: vi. A. Andersoni, W. G. B. : vii. A. Hecori, 

 Weth., spp. dub.) 



Later on I shall have to puhlish .*!onic rather cojiiou.-* notes 

 on the American species ; nioanwhilo it will be nset"ul to 

 note : — 



