CANARIAX COLEOPTERA. 67 



the diagnosis, it may be known from what I have considered as the 

 type (and which is confined to the island of Gomera) by being a little 

 less polished, by having its elytra more deeply striated and perhaps 

 somewhat more acuminated at their extreme apex, and by its being 

 (on the average) just perceptibly smaller, and with its head not quite 

 so largely developed. Its prothorax, too, has its fovese rather more 

 apparent, and its sides usually a trifle less sinuated behind, causing 

 the angles to be (if anything) more obtuse. 



The typical state abounds in Gomera, where it was taken by Mr. 

 Gray and myself, around San Sebastian and on the hills above it, 

 during our visit to that island in February 1858 ; and I have received 

 it from the Barao do Castello de Paiva, collected near Hermigua. The 

 " var. /3," on the contrar)-, seems to be the state which obtains in 

 Teneriffe, where it is common in certain spots in the vicinity of S*" 

 Cruz. My own specimens are principally from the rocky slopes about 

 the Barranco do Passo Alto. 



Several examples of the var. fl (which were found by M. Hartung) 

 have been communicated to me by Dr. Heer under the name of *■' Har- 

 paltis vividus, Dej," ; so that I can vouch for its being the insect re- 

 ferred to in his catalogue of Lanzarotan* Coleoptera ; it has however 

 nothing in common, except its generic characters, with that species. 



87. Cratognathus semulus, n. sp. 



C. var. j3 G. micantts similis, sed colore obseuriore (minus piceo), in 

 utroque sexu minus nitidus (foeminji etiam fere opaca), capite paulo 

 minore, prothorace basi paulo magis angustato (angulis ipsis posticis 

 subacute prominulis), utrinque profundius impresso; elytris in sexu 

 masculo valde profunde striatis, interstitiis convexis, in fcemineo 

 leviter striatis, interstitiis depressis. — Long. corp. lin. 4|. 



Habitat Teneriifam sylvaticam, in montibus supra Tagananam 

 captus. 



* It is unfortunate that M. Hartung should not have been more careful in pre- 

 serving the localities of his various species. I have no hesitation in saying that 

 the C. mieans djes >iot occur in eitlier Lanzarote or Fuerteventura, — which are 

 so distinctive in their fauna as to be almost separated topographically from the 

 other islands of the archipelago. It has not as yet been detected even in G-rand 

 Canary ; and there seems every reason to believe that the var. ji is confined to 

 Teneriffe, and that what I have regarded as the type is peculiar to Gomera. 

 From the specimens wliich have been forwarded to me by Dr. Heer, I have not 

 a shadow of doubt but that they are Teneriftan, and were most probably col- 

 lected in the neighbourhood of S'« Cruz ; and that, hke the single example 

 already alluded to of the OUathopus glabratus, they were mixed up inadvertently 

 (perhaps afterwards). with Lanzarotan species. Thus, what between a wrong ha- 

 bitat and a wrong identification (it being referred to an insect, tlie Madeiran C. 

 vividus, from which it is totally distinct), a twofold error, of no slight importance 

 in a geographical point of view, is on record. 



