60 RHYNCHOPHORA. 
We have received but one female of this species; though very similar to R. linearis 
I have no doubt of its being distinct, the head being broader behind, the antenne and 
legs thicker and shorter, and the yellow marks on the elytra different. ‘The third 
interstice is yellow from the base to near the apex, with, however, a broad interruption 
in the middie; the fourth interstice is yellow on the middle, so as to overlap the 
division of the colour on the third interstice; the seventh interstice has a short 
yellow mark behind the middle, the eighth a short yellow mark from just behind 
the shoulder to near the middle. In R. linearis the outer yellow mark is on the 
ninth interval. The beautiful coarse sculpture of the wing-cases is very regular, and 
but little different from that of R. linearis. ‘The head is polished beneath, and there 
are several foveoles on the anterior part of the metarostrum. 
The position of the external mark—on the eighth instead of the ninth interstice— 
will distinguish this species from most of the others with which it might be confounded. 
18. Rhaphirhynchus rothschildi. 
Rhaphidorrhynchus rothschildi, Senna, Notes Leyd. Mus. xvi. p. 214’. 
Elongatus, angustus, sneo-niger, nitidus; prothorace anterius utrinque transversim strigoso; elytris ad 
suturam quadristriatis, externe subtiliter seriatim punctatis, minus intricatim flavo-lineatis. 
Long. 12-19 millim. 
Hab. Nicaragua}, Chontales (Belt, Janson). 
This species bears some resemblance to R&. variabilis and to £. obscurus, but has a 
highly polished thorax, which is strongly transversely strigose at the sides in front, and 
the male has a well-marked descending process on the first joint of the antenne. The 
sculpture of the elytra is very much like that of the two species mentioned, viz. four 
impunctate grooves or strie next the suture, and (outside these) series of rather fine 
punctures, which towards the extremity become punctate grooves. The apex of the 
elytra has a short tooth in the male, but is almost unarmed in the female. The 
third interstice is yellow for the greater part of its length, the yellow colour being once 
or twice interrupted; the fifth interstice has a minute mark at the base, the seventh 
an equally short one behind the middle, the ninth a short one below the shoulder. 
Five specimens. | 
R. chiriquensis, which closely resembles this species, is very readily distinguished by 
the definite punctures of the elytra. 
19. Rhaphirhynchus chiriquensis, sp. n. 
3g. Nigro-metallicus, politus, elytris flavo-signatis; prothorace elongato, angusto, nitidissimo, anterius 
utrinque strigoso; elytris versus suturam punctato-sulcatis, stria unica absque punctatura, externe 
fortiter striato-punctatis, interstitiis latis. 
Long. 174 millim. 
