36 ANNULOSA JAVANICA. 
73. Brirneatus. H. nigropiceus, elytris sulculis punctorum duobus obsoletis, lined medid punctorum wagorum, 
aliisque marginalibus. 
Long. corp. 15,. 
Insectum precedenti simillimum, sed differt corporis longitudine, e/ytrorum sculptura lineisque punctorum 
vagis marginalibus tribus vel quatuor, /émoribus brunneis, articulo palporwn ultimo brevi crassiore 
subsecuriformi. 
Fam. 5. SPH/ERIDID/. 
It is not my intention to attempt at present the accurate determination of the natural place 
and boundaries of this family, because it would require a more minute and detailed investiga 
tion than the limits of alocal Fama will admit. The remarkably close connexion, however, 
which exists between M. Latreille’s Mydrophilit and Spheridiota both in construction and eco- 
nomy, induces me to describe in this place the only two species of Spheridium which are to be 
found in Dr. Horsfield’s collections ; and, indeed, although I would not by any means be supposed 
to lay down my arrangement as certain, or for the present attempt to give more thana general 
statement ofthe near affinity which exists between this family and the last, yet I cannot forbear 
calling the attention of the entomologist to the circumstance of the genus Spheridium possess- 
ing those two processes to their maxille, which form so prominent a character of the Philhydrida 
as a stirps. 
This family is less aquatic than any of the four preceding, and I agree with Fabricius in think- 
ing that such genera as Phalacrus, Agathidium, &c., may safely be assigned to it. It is true that 
Latreille has separated them from Spheridium, because they are tetramerous; but by parity of 
reasoning, since 7eterocerus and Georissus are also tetramerous, he ought to have separated the 
first from the vicinity of Parnus and the other from that of Ednis. It is the evil, however, of 
half-artificial systems like that which is founded on the number of joints in the tarsi, that while 
they are at utter variance with natural affinities, they do not even answer the humble pur- 
poses of a catalogue. 
The similarity of certain species of this family to Petalocerous insects has often been re- 
marked, and in fact it is from these insects that a transition is made to the Chilognathomorpha 
or Coleoptera having larvee which resemble Chilognatha. 
Genus SPH/ERIDIUM. Fab. 
74. Hyprorurzorpns. 8. atronitidum punctulatum, palpis antennis tarsis thoracisque lateribus nigro-rufescen- 
tibus, elytris punctorum striis impressis. 
Long. corp. 3’;- 
Oss. This species indisputably proves the close affinity of Spheridium to the last family. 
15. Mancrnatum. 8S. elytris immaculatis maculisve obsoletis, thoracis elytrorumque margine externo pedibusque 
Serrugineo-lutescentibus. 
Spheridium Scarabeoides, Var. D. Lat. Gen. Ins. et Crust. vol. ii. p. 2, 
Spheridium marginatum, Fab. Syst. Eleuth. vol. i. p. 93. 
Long. corp. #5 
Oxs. Without attempting to decide the question, whether all those insects which Illiger consi- 
ders as varieties of Spheridium Scarabeoides be really distinet species, I shall merely say, that the 
above 
