408 Prof. S. Maulik on new Hispinse. 



mixture of oil of cloves and alcohol into a collodion syrup. 

 It is then transferred to a little cell on a glass-slide, and the 

 cell filled with the syrup. When this has been set in cedar 

 oil a thin strip containing the embedded claw is cut off. This 

 strip can be handled easily, and that side can be put up which 

 shows the ventral surface of the claws. A balsam preparation 

 can now be made of the strip of collodion, which is perfectly 

 transparent. Collodion for embedding is made by mixing a 

 concentrated alcohol-ether solution of celloidin or other nitro- 

 cellulose with enough clove oil to make a thin syrup. For 

 an account of orientating minute objects reference should be 

 made to Mr. H. Gr. Newth's paper entitled " On the Orienta- 

 tion of Minute Objects for the Microtome " (Quart. Journ. 

 Micr. Sci. 1919). 



Monochirus capensis, sp. n. 



Body oblong. Black. Prothorax opaque, elytra subnitid. 

 The first joint of antennas with a dorsal spine. The claws 

 single, pointed. The front margin of the prothorax with two. 

 pairs of spines, each lateral margin with a pair of spines 

 followed by a single spine. The elytra with numerous spines 

 on the dorsal surface as well as along the margin. 



Head broad, rugose ; eyes convex, with a row of silvery 

 hairs round them. The antennas are almost as long as the 

 head and prothorax; the first joint is the largest, armed with 

 a large dorsal pointed spine, the second rounded, third to 

 sixth gradually decreasing in length; the five apical joints 

 forming a moderately thickened club covered with brownish 

 pubescence, the six basal joints granulate with a few scat- 

 tered hairs. Prothorax transverse, with the surface rugose, 

 sparsely covered with scale-like hairs, and with a longitu- 

 dinal impression along the middle. There are two shallow 

 transverse depressions across the surface, the one along the 

 base being deeper than the one in front. On the front 

 margin there are two pairs of straight and pointed spines 

 which are equal in length. Each side has three pointed 

 spines of almost equal length, the front two having a common 

 base and the third at a little distance behind them. Scu- 

 tellum broad, granulate, with the apex truncate. Elytra a 

 little broader than the prothorax at base, more shiny, punc- 

 tate-striate, the punctures being deep and rounded. On each 

 elytron there are roughly three principal rows of pointed 

 spines, three or four on the apical area being larger and 

 stouter. There is a short sutural row of smaller spines. 



