MacFarland — Preliminary Account of Dorididse. 37 



II. Doridida' Phanerobvanehiatiu. 

 A — Pi)lyeencUp. 



11. Acglre^ (dhopnnrtatus Q'p. nuv. 



12. L(iU(( ((xl-erelll gen. et sp. nov. 

 i;'). Trhrpha carpenter I (Stearns). 



14. Triopha macalata sp. nov. 



15. Triopha grandis sp. nov. 



16. Poh/cera atra sp. nov. 

 B — Goniodorididiie . 



17. Aranthodoris hud-'ioin sp. nov. 



18. Acaatlwdoris brunnea sp. nov. 



19. Ancida pacifica sp. nov. 



20. Hopk'nma rosacea gen. et sp. nov. 



The types of the aboA^e new species have been deposited in the 

 U. S. National Museum. Co-types will l)e placed in the ^Museum 

 of the Leland Stanford Jr. University and in the Museum of 

 the Philadelphia Academy of Sciences. 



1. Archidoris montereyensis (Cooper). 



Doris montereyensis Cooper. New Species of California Mollusca. Proc. 



Calif. Acad. 8ci., II, 1862, 204. 

 Doris monterei/ehsis Cooper. On New or Rare Mollusca Inhabiting the Coast 



of California. Proc. Calif Acad. Sci., Ill, 1863, 58. 

 Archidoris movlereyensis (Cooper). Bergh, MalacologischeUntersuchungen 



(Semper, Reisen im Archipel der Philippinen. II, Heft XIV, 1878, 



624. 

 Archidoris monlereyemis (Cooper). Bergh, On the Nudibranchiate Gastero- 



pod Mollusca of the North Pacific Ocean, with Special Reference to 



those of Alaska. I, Proc. Acad. Nat. Sci. Phila., 1879, 107. 



Body elongate elliptical, the ends nearly equally rounded, dorsum 

 slightly arched; mouth everywhere closely set with low conical tubercles, 

 ground-color light yellow, having a dusty appearance due to extremely 

 minute brown, greenish-brown or black dots thickly sprinkled over the 

 dorsum everywhere; larger patches of same color scattered over dorsum 

 upon as well as between the tubercles and more sparingly over the 

 branch ite. 



Length up to 50 mm.; width up to 25 mm.; height up to 12 mm. 



Foot elongate, elliptical, light yellow, the anterior margin bilabiate with 

 no median notch ; head small ; tentacles auriculate with an external 

 groove; rhinophores stout, retractile into conspicuous sheaths with tuber- 

 culate margins, perfoliate with 24 to 30 leaves on each side. Branchial 



