210 MR. H. W. BATES ON [Apr. 2, 
rior vertebrze, and pectoral arch of this fish is given for comparison 
(Plate XXII. fig. 4). 
Notwithstanding the general resemblance, it will be seen that 
there are several important differences of detail. In the recent fish 
the sutures are persistent, the head is broader and flatter, and the 
orbit and frontal fontanelle much smaller. The posttemporal and 
pectoral arch are also relatively smaller, and the latter tapers below ; 
while the infraclavicle appears to be much less developed. 
KGnig’s name of Bucklandium diluvii may thus be retained for the 
fossil now described, and, upon present evidence, this Eocene fish 
may be most closely associated with an African type. It ought to be 
remembered, however, that most of the living allies of 4uchenoglanis 
are denizens of South America ; and in this connection it is interesting 
to note a fact kindly communicated by Mr. Etheridge, that the 
molluscan fauna of the London Clay has about as many living 
representatives upon the south-east coast of North America as upon 
the western coast of Africa. 
EXPLANATION OF PLATE XXII. 
Fig. 1. Bucklandium diluvii; side view of an imperfect skull and pectoral 
arch, from the London Clay of the Isle of Sheppey. 4, displaced 
base of the cranium ; c/., clavicle ; fo., frontal fontanelle ; f7., frontal ; 
i.cl., ascending plate of infraclavicle; ord., orbit; pz., posttemporal ; 
so., supraocipital. 
2. Ditto; upper view of the same specimen. Lettering as above. 
3. Ditto; lower view of part of the base of the same specimen. ar., 
articulation of basioccipital with vertebral column; ps., para- 
sphenoid, partly overlapping basioccipital; v., anchylosed anterior 
vertebree. 
4. Auchenoglanis biscutatus ; side view of head, anterior vertebra, and 
pectoral arch, much reduced in size. 
Figs. 1-3 are all of the natural size. 
5. On new Species of the Coleopterous Family Caradide, 
collected by Mr. J. H. Leech in Kashmir and Balti- 
stan. By H. W. Barszs, F.R.S. 
[Received March 18, 1889.] 
Carasus (IMAIBIUS) BARYSOMUS. 
Robustus, elytris convexis usque post medium dilatatis ; niger, 
nitidus, capite thoraceque subtilissime coriaceis fere levibus, 
hoc transverso, cordato-quadrato, antice lato convexo, basi 
depresso, mow ab angulis anticis (rotundatis) valde rotundato, 
lateribus paullo post medium sat profunde sinuatis, deinde ad 
angulos posticos parallelis (angulis rectis apice obtusis) ; elytris 
grossissime subseriatim fossulatis, fossulis in fundo umbilicatis, 
hic illic confluentibus ; corpore subtus impunctato. 
Long. 35-38 millim. dQ. 
Goorais Valley. 
