of nondescript Lucanoid Coleoptera, S^c. 341 
Mandibulm punctatte, dextra 1- sinistra 2-dentatfe, supra 
in cornu suberectum parvum productfe. 
Caput supra valde excavatum, crebre et fortiter punc- 
tatum, lateribus ante oculos semicirculariter productis. 
Prothorax ubique regulariter punctatus, leviter canali- 
culatusj margine antico tuberculato. 
Elytra anguste costata, interstitiis crebre et irregulariter 
punctatis, corpore subtus ubique grosse et fortiter punctate. 
Long. Corp. lin. 7. 
Hab. — Afric. Occid. 
In Coll. Mus. Brit., Mniszech, et Parry. 
Allied to N. Delegorguei, Thomson, but at once dis- 
tinguished by the wider and more deeply excavated head, 
by the strongly emarginate anterior angles of the pro- 
thorax, as well as by the more uniform character of its 
sculpture ; the punctuation being regular and extending 
over the entire upper surface of the prothorax, a character 
not exhibited in any other of the African species ; it is, 
moreover, not nearly so shining. 
In the British Museum collection there exists a specimen 
of this insect, labelled " Nigidius cribricoUis," Beiche, a 
manuscript name which I have much pleasure in adopting. 
Nigidius distinctus, $ , Parry, n. sp. (PI. V. fig. 7.) 
N. cornuto M'Leay, proximus, ater, nitidus, puncta- 
tissimus, angulis ante oculos incisis. 
Mandihul(R punctata, sinistra bidentata, dextra inermis, 
supra in cornu magnum curvatum suberectum, producta?. 
Caput antice excavatum, grosse punctatum, ante oculos 
emarginatum. 
Prothorax lateribus rectis, angulis anticis rotundatis 
posticisque sinuatis, in medio longitudinaliter sulcatus 
margine antico elevato, tuberculo minutissimo instructo. 
Elytra ad basin prothorace paulo angustiora, versus 
apicem latiora, singulis striis 8 elevatis l^evibus, interstitiis 
grosse punctatis, angulo humerali acuto ; tibiis anticis 5 
aut 6 tuberculis parvis, quatuor posticisque infra medium 
spino singulo acuto armatis, corpore subtus punctatissimo. 
Long. Corp. lin. 7. 
Hah. — Cambodia. 
Coll. Mniszech et Parry. 
N. distinctus is distinguished from all the other known 
species of the genus by the sides of the head being emar- 
ginate instead of rounded, forming two distinct acute 
