of the Canary Islands. 345 
middle, and have, in the example before me, but two punctures 
developed on their disk), for its fusco-piceous hue, and for its 
rather elongate, slender limbs. There is certainly no species 
here enumerated to which it could possibly be referred. 
6. Calathus abaxoides. 
C. piceus, subellipticus, nitidiusculus ; prothorace subtrapeziformi, 
postice lato, ad latera antice haud, postice vix recurvo, angulis 
posticis subacutis; elytris postice paulo convexis subattenuatis, 
striatis, interstitiis subconvexis, tertio punctis 3-5 sat distinctis 
notato ; antennis pedibusque piceo-testaceis. 
Long. corp. lin. 32-4. 
Calathus abaxoides?, Brullé, in Webb et Berth. (Col.) 56 (1838). 
Habitat in sylvaticis humidis Teneriffe, sat frequens. 
I refer this insect to M. Brullé’s C. abaxoides from the mere 
fact of the latter’s specific name, there being no other Canarian 
Calathus which could be compared in outline to an Adax; but 
since he says that the abazoides is much of the same form as his 
following species, the C. angularis (which is an Argutor, and no 
Calathus at all), and since he speaks of it as “ cing* lignes de 
longueur,” whilst it is only four, I cannot but feel doubtful, in the 
absence of even a single distinctive character in his “ diagnosis,” 
whether it be correctly identified. It may be readily known by 
its small size, elliptical outline, and the almost equally shining 
surface of its prothorax and elytra, the former of which is broad 
posteriorly and almost unrecurved at the sides (except slightly 
so towards the basal angles); whilst the latter are gradually 
somewhat narrowed behind, with their interstices slightly convex, 
and with their discal punctures (from three to five on the third 
interstice) pretty evident. 
The C. abaxoides is rather abundant throughout the sylvan 
regions of Teneriffe, occurring in exactly the same places as the 
last species. I have observed it more particularly at the Agua 
Garcia, Taganana, and Las Mercedes. It has also been com- 
municated by the Bardo do Castello de Paiva and Professor Heer 
of Zurich, who obtained it from M. Hartung. 
7. Calathus ascendens, un. sp. 
C. fusco-piceus, subdepressus, subnitidus ; capite prothoraceque vix 
rufescentioribus hoe transverse subquadrato, postice vix angustiore, 
* So far as the sizes of his insects are concerned, I can place no de~ 
pendence on them at all; and my impression is that he has transposed the 
relative lengths of his C. depressus and abawxoides. And that this is not 
mere conjecture, in accordance with the immense series of specimens now 
before me, is rendered quite certain from the fact that, whilst stating his 
C. depressus to be only four lines long, I find, by actual measurement of 
the length given for it in his own plate, that it is exactly five! 
