PREFACE. 



THE present list is intended only as a means of facilitating 

 exchanges among coleopterists, and hence must not be held as 

 having any authority ; synonyms are omitted, except where 

 necessary to connect this work with Dr. Leconte's List from 

 which it has been prepared. Numerous changes have been 

 made in the synonymy, mostly based on comparisons made . by 

 Dr. Leconte in Europe, and already indicated in various 

 papers by himself and Dr. Horn ; others on personal examina- 

 tion of the species by myself, and for these I am alone 

 responsible. For certain changes in the arrangement, whereby 

 the Coccinellidce, Erotylidce and Endomychidce find their place 

 in the Clavicorn series, I also accept the responsibility ; as 

 also for the changes in generic names, the reasons for which 

 have been fully explained by me in previous papers. The 

 various irrecognizable species of Motschulsky, and the earlier 

 authors have been omitted altogether. Finally, I desire to 

 express my gratitude to Dr. Horn, who has kindly consented 

 to read the proofs of this list which, without his innumerable 

 suggestions, would have fallen very far short of even its pres- 

 ent state of completeness. G. R. c. 



Synonyms are not numbered. Varieties are numbered the 

 same as the species, with a letter added. 

 Preoccupied names are marked with a ||. 

 Names cited in error are marked with a J. 



JUNE 1st, 1873. 



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