1891.] 2-i7 



ground colour narrowly visible within the lateral margins ; the middle of this mass 

 is traversed lengthwise by a deep furrow ; on tlie outer sides of the body are narrow 

 laminae extending downwards, and continued in consecutively lengthening series 

 round to the anal region, so that they project greatly and lie in the channels of the 

 marsupium ; marsupium much shorter above than beneath ; of the raised lines be- 

 tween the channels the two outer have their posterior ends curved round towards 

 each other ; the lower surface curved upwards, the end especially more turned up 

 suddenly, so that it is at a much greater elevation than any other part of the surface, 

 and between it and the end of the upper-side is a largo open cavity ; the outer sides 

 of the marsupium finely channelled longitudinally, the under-surface smooth. An- 

 tenna; of 8 joints (Fig. 4b). 



Length of body, 2, with marsupium, 4'5 ; breadth, 2 mm. 

 Male unknown. 



Very distinct by the narrow and elongate form, the latter charac- 

 teristic due to the marsupium, and by the peculiar character of the 

 lamellation. Having been sent in cotton wool saturated with spirit, 

 almost all the specimens have been deteriorated by partial removal 

 of the lamellae, but the description has been made from several 

 individuals. 



Kindly forwarded on May 23rd, 18S9, by Mr. D. Morris, of the 

 Royal Gardens, Kew, who received them from the Botanic Garden at 

 Trinidad, where they were found on the leaves of a Capsicum. 



In October, 1S90, 1 received from Mr. Jenman, the Superintendent 

 of the Botanic Gardens, George Town, Demerara, through Mr. S. J. 

 Mclntire, several specimens of this species on leaves of Sauchezia 

 nobilis, but they were all dry and broken to pieces. Still I could 

 recognise the characters, and this is of interest in showing that the 

 insect inhabits more than one locality. 



Explanation of Plate II. 

 See p. 166 ante; and add thereto Lecanium lauri: — 2d, antenna. 



153, Lewisham Road, S.E. : 



Novemler, 1890. 



ON TWO SPECIES OF ELACATIS {OTHNIUS) FOUND IN JAPAN. 

 BY G. LEWIS, r.L.S. 



The first time I saw a species of Elacatis alive was at Singapore 

 in 1872 ; at that time a large number of specimens were running very 

 actively over the dead branches of some small trees in the public 

 garden. In 1880 and 1881 I met with Elacatis Kraatzi, Reittcr, con- 

 tinually in Japan under similar circumstances, on posts and railings 

 when bark remained on them and the timber was not old. 



These insects conduct themselves very much like the small 



