DERIVATION OF THE FLORA AND FAUNA 309 



wide genus, the subg. Mjiionomus, where the island species belong, in Eur., N. and 

 Centr. Afr., Macaron., Centr. Asia, probably also N. Amer. 



+ C. Skottsbergi Bruce. — Mt. 



+ C. splendens Bruce. — Mt. 



+ + Cryptosomatula longicornis Bruce. — Mf. 



+ Loberosche?na convexum Bruce. — Mt. Beside the island species 3 in Bo- 

 livia and 2 in Chile. 



+ Z. discoideum Bruce. — Mt. 



Curculionidae [12). Dr. Kuschel, who specializes in this family, estimates the 

 number of species collected by him to exceed one hundred. 



+ + Arwletkrus gracilis Auriv. — Mt. 



+ -v Apteronanus dendroseridis Auriv. — Mt. 



+ A. (.^) gunnerae Auriv. — Mt. 



Arajnigus Fulleri Horn. A widespread noxious beetle. — Mt. 



+ Caulophilus (.?) nigrirostris Auriv. — Mt. The genus in southern U.S.A., 

 Centr. and S. America. It does not exist on Juan Fernandez (KuscilEL in litt.). 



+ Cyphometopus masafuerae Auriv. — 'Mf. 3 species in Chile, where the island 

 species most likely also occurs (Kuschel in litt.). 



■^ -^Juanobia ruficeps Auriv. — Mt. 



+ ^Juanorhinus Robinsoni Auriv. — SC. 



Otiorrhynchus rugosostriatus Goeze. W. and S. Europe. — Mt, accidentally 

 introduced via Chile. 



+ -v Pachy stylus dimidiaius Wollaston. — Mt. 



+ P. nitidus Auriv. — Mt. 



+ Pachy tragus crassirostris Wollaston. — Mt. 



+ Pentarthrujn affijte Wollaston. — Mt. A widespread genus, found on many 

 oceanic islands. 



+ P. nigropiceum (Phil.) Auriv. — Mt. 



+ P. nitidum Wollaston. — Mt. 



+ /^. rufoclavatum Auriv. — Mt. Close to P. ^//V^/^' Broun from New Zealand. 



+ +Platynanus arenarius Auriv. — Mt. 



+ P. Baeckstroemi Auriv. — Mt. 



+ P. hirsutissimus Auriv. — Mt. 



+ P. quadratifer Auriv. — Mt. 



+ P. sericatus Auriv. — Mt. 



+ /^ Skottsbergi Auriv.— Mt. 



+ Strongy/optei'us nitidirostris Auriv. — Mt. The genus is also found in Chile 

 and New Caledonia. 



S. ovatus Boh. Chile.— Mt, Mf. 



Dermestidae (104). 



Dermestes vulpinus L. Cosmopol., introduced. — Mt. 



Dytiscidae (2^p, ii?)- 



Afiisomeria bisiriata Brulle. Chile. — Mt. The genus known from Tristan da Cunha. 



