j\Ir. W. L. Distant on Lygajidai, &c. 255 



Yolitms riihrifer, Walk. loc. cif. p. 78. n. 6,= Yolinus (jlagovice, Dohru. 

 Sycanus incisus, Walk. loc. cit. p. 84. u. SQ, = Sycanus blenniis, StSl. 



le'icomeszis, Walk. loc. cit. n. 31, = Si/cccnus collaris, Fabr. 



mileii, Walk. loc. cit. p. 86. n. 35, = Sycanus versicolor, Dohrn. 



turhidus, AValk. loc. cit. n. 3(i, = Sycanus dichotomus, StSl. 



caliijino.fits. Walk. loc. cit. n. 37 , = Sycanus fulvicornis, Dohru. 



invisus. Walk. loc. cit. n. 38,=Sycanus annulicornis, Dohm. 



^risthesancus hdeicollis, Walk. loc. cit. p. 89. n. 10, = Pristhesancus 2>"pu- 



ensis, Stal. 

 Helwiotus genualis, Walk. loc. cit. p. 90. n. i,=Helonotus sexspinoms, 



Fabr., var. vulneraiis, Stal. 



To be treated as non-existent. 

 Species the types of ivhich are not noiu to be found in the British Museum. 



Trostemmn niyricans, Walk. Cat. Het. vii. p. 135. u. 17 (1873). 

 Yolinus albigutta, Walk. loc. cit. viii. p. 78. n. 7. 

 Sycanus anyulifer, Walk. loc. cit. p. 84. n. 29. 



Still awaiting determination. 



Reduvius pubicollis, Walk. Cat. Het. vii. p. 203. n. 70 (1873). Hub. un- 

 known. 

 Prostemma tarsalis, Walk, loc. cit. p. 138. n. 30. Ilab. Xew Guinea. 



Supplementary Notes. 



Fam. LygseidsB. 



Paromius piratoides. 



Vlociomerus piratoides, Costa, Ann. Miis. Nap. ii. p. 78 (1864). 

 l^abis bicolor, Walk. Cat. Het. vii. p. 145. n. 39 (1873). 



Costa gave no locality; Lethieny and Severin in their 

 Catalogue give "I. Philippinse" as the habitat; Walker's 

 species came from Celebes. 



Ilerceus guttalus. 



Orthcea guttatus, Dall. List Hem. ii. p. 580 (1852). 

 Nabis elegcms, Walk. Cat. Het. vii. p. 144. n. 31 (1873). 



Fam. Hydrometridae. 



In these pages (vol. x. p. 173) I drew attention to some 

 synonymy appertaining to a species of Hydrometra found in 

 Japan, Bombay, and Ceylon, which left the name //. alio- 

 lineata, Scott, the oldest and therefore legitimate name to be 

 used. Since then Dr. Sjostedt has kindly let meseeacotype 

 of Stal's Philippine species, H. viitaia, which proves to be 

 conspecific, and therefore again necessitates further syno- 

 nymic revision, as follows : — 



