370 Major F. J. Sidney Parry's descriptions 



List of species belonging to the genera Chiasognathus 

 and Sphenognathus recorded up to the present period. 

 As regards the sequence of the species, I have ventured 

 on a distribution of them more in accordance, I believe, 

 with their affinities than that hitherto followed : — 



1. Chiasognathus, Stephens. 



1. C. Grantii, Stephens . . . . . . Chili. 



2. C. impiibis, Parry . . . . . . Chili. 



3. C. Latreillii, Solier . . . . . . Chili. 



i. C. Jousselinei, Reiche . . . . Chili. 



2. Sphenognathus, Buquet. 



1. S. nohilis, Parry . . . . . . Venezuela. 



2. S. armatus, Parry . . . . . . Venezuela. 



3. S. signatusjVaxxY .. .. .. Venezuela. 



4. S. Ft'isthnmeU,Gv\(tTva. .. .. N.Grenada. 

 6. S. clrcumjicxus, Parry . . . . Venezuela. 



6. S. ca7ialicnlatiis,Farrj ., .. Venezuela. 



7. S.prio7wides,Jiuqnct.. •• .. N.Grenada. 



8. S. Lindcni, Murray . . . . . . Ecuador. 



9. S. Murrayi, Thomson . . . . Venezuela. 



10. S. Peruvianns,'\N&iQYhoViSQ .. .. Peru, Ecuador. 



11. S. puhescens, Waterhouse .. .. Venezuela. 



12. S. Tascheriberffi, Psxrrj .. .. Venezuela. 



LucanusSioinhoei,$ ?, Parry (var. max.). (PI. IV. fig. 4.) 



L. fusco-castaneus, nitidus, la3vis, subtilissime punc- 

 tulatus, mandibulis regulariter arcuatis, apicibus sub- 

 furcatis, dente interno magno, prope basin, in medio 7 vel 

 8 tuberculis nodosis irregulariter instructis. 



Long. Corp. uuc. 1, lin. 2 ; mandib. lin. 6. 



Hah. — Ins. Formosa. 



In form, coloration, and general character, L, Sioinhoei 

 bears a striking similarity to L. Fortunei, Saunders, a 

 well-known species from Hong Kong. The following im- 

 portant differences appear nevertheless to warrant their 

 separation. The form of the mandibles in L. Swinhoei, 

 and their armature as regards position of the teeth (vid. 

 PI. IV. fig. 4) appears to be totally distinct. Again these 

 organs in the present species are found to be more arcuate 

 and exhibit a gradual, but regular curvature from their base 

 to the apex, whereas in L. Fortunei (vid. PI. IV. fig. 5), 

 they are considerably more prominently rounded at the 

 base and irregularly sinuated towards the apex. The 

 single strong internal tooth Avith which both species are 

 armed is placed in the Formosan insect near the base, 

 whilst in the Hong Kong insect it is invariably situate 

 somewhat below the apex in the centre of the series of 



