DERIVATION OF THE FLORA AND FAUNA 309 



wide genus, the sub<(. Mjiiononius, where tiie island species belong, in P2ur., N. and 

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



+ C. Skottsbcrgi Bruce. — Mt. 



+ C. splendeiis Bruce. — Mt. 



+ + CryptosoDiaiula longicornis Bruce. — Mf. 



+ Lobcrosc/ii'ina co)iuexuni Bruce. — Mt. Beside the island species 3 in Bo- 

 livia and 2 in Chile. 



+ Z. discoideuni Bruce. — Mt. 



Ciirculionidac (/.?). Dr. KuscilEL, who specializes in this family, estimates the 

 number of species collected by him to exceed one hundred. 



+ + Anolcthrus gracilis Auriv. — Mt. 



+ +Aptcro}iauus dcndyoseridis Auriv. — Mt. 



■\-A. (.?) gunnerae Auriv. — Mt. 



Aramigus Ftilleri Horn. A widespread noxious beetle. — Mt. 



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

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



+ Cyphouietopiis })iasafueyae Auriv. — Mf. 3 species in Chile, where the island 

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



+ +yuajwdia vuficeps Auriv. — Mt. 



+ ^JnanorJiijins Robitisoni Auriv. — SC. 



Otiorrhync/ms rugosostriahis Goeze. \\\ and S. Europe. — Mt, accidentally 

 introduced via Chile. 



+ + Pac/iys/ylus dimidiattis Wollaston. — Mt. 



+ /*. nitidus Auriv. — Mt. 



+ Pachytrogiis crassirostris Wollaston. — Mt. 



+ Pentaj-i/innn affiiie Wollaston. — Mt. A widespread genus, found on many 

 oceanic islands. 



+ /*. nigropiceioii (Phil.) Auriv. — Mt. 



+ /'. niiidum W'ollaston. — Mt. 



-vP. riifoclavatiDH Auriv. — Mt. Close to P. cT/'/Vrt'/^ Broun from Xew Zealand. 



+ + Plaiyna)ius areiiarius Auriv. — Mt. 



-\-P. Baeckstroenii Auriv. — Mt. 



+ P. hirsutissinius Auriv. — Mt. 



+ P. qiiadratifer Auriv. — Mt. 



+ P. sericatus Auriv. — Mt. 



^-P. Skottsbcrgi Auriv.— Mt. 



■vStrongylopterus nitidirostris Auriv. — Mt. The genus is also found in Chile 

 and New Caledonia. 



S. ovatus Boh. Chile.— Mt, Mf. 



Dcruicstidae [104). 



Derincstes vulpijius L. Cosmopol., introduced. — Mt. 



Dytiscidae {2gp, 117). 



Anisomeria bistriata Brulle. Chile. — Mt. The genus known from Tristan da Cunha. 



