54 MR. F. F. LAIDLAW ON 
*MACROGOMPHUS ALBARD# dle Selys. 
Macrogomphus albarde Selys, 4° Addit. Synops. Gomph., loc. 
cit. pp. 416-418; id., Ann. Mus. Civ. Genova, xxvil. 1889, 
p. 469; Kirby, Cat. p. 63; Karsch, Entom. Nachr. xvii. 1891, 
p- 224; Kriiger, Stettin. Entom. Zeitg. 1898, p. 300; William- 
son, loc. cit. p. 289; Ris, Ann. Soc. Entom. Belg. lv. 1911, p. 238, 
Li GSH ieee 
Recorded from Sumatra (Selys) and Borneo (fis). 
MACROGOMPHUS DECEMLINEATUS Cle Selys. 
Macrogomphus decemlineatus Selys, 42° Addit. Synops. Gomph. 
pp. 418-419: id., Ann. Mus. Civ. Genova, xxvii. 1889, p. 469; 
Kirby, Cat. p. 63; Kriiger, Stettin. Entom. Zeitg. 1898, p. 203; 
Williamson, loc. cit. p. 289. 
2 5 & from Kuching, May 1896 (Sarawak Museum Collection). 
Recorded from Sumatra (Selys) and Borneo (Selys). 
*M ACROGOMPHUS QUADRATUS de Selys. 
Macrogomphus quadratus Selys, 4™° Addit. Synops. Gomph. 
p. 415; id., Ann. Soc. Entom. Belg. xxvii. 1884, p. x; id., Ann. 
Mus. Civ. Genova, xxvii. 1889, p. 469; Maclachlan, Ann. Soc. 
Entom. Belg. xxviii. 1884, p. vii; Forster, Ann. Soc. Entom. 
Belg. xliii. 1889, p. 65; Kirby, Cat. p. 63; Kriiger, Stettin. 
Entom. Zeitg. 1898, pp. 296-297 ; Williamson, loc. cit. p. 287. 
From Borneo (Selys) and Sumatra (Selys). 
MicRoGOMPHUS CHELIFER de Selys. 
Microgomphus chelifer Selys, Hagen, Monogr. Gomph. p. 364 ; 
Selys, Addit. Synops. Gomph. p. 533; Kirby, Cat. p. 63; 
Kriiger, Stettin. Entom. Zeitg. 1898, p. 302; Laidlaw, Proc. 
Zool. Soc. Lond. 1902, i. p. 79; Williamson, loc. cit. pp. 295-296, 
figs. 21, 22. 
Sy acioass mol (z: 
A new record for Borneo. Known from Malacea (Selys) and 
Sumatra (A7riiger). 
* LEPITOGOMPHUS SEMPERI cle Selys. 
Leptogomphus semperi Selys, 4me Addit. Synops. Gomph. 
pp. 443-444; Martin, Mission Pavie, p. 11 (sep.); Kirby, Cat. 
p- 70; Williamson, loc. cit. pp. 292-293, fig. 17; Ris, Suppl. 
Entom. Deutsch., Entom. Mus. no. 1, 1912, p. 69. 
Recorded from Borneo (Martin), Philippines (Selys), Tonkin 
(Martin). 
LEPTOGOMPHUS WILLIAMSONI Laidlaw. 
Leptogomphus williamsont Laidlaw, Journ. Str. Br. R. Asiat. 
Soc. [no. 63] Dec. 1912, p. 94, figs. 1, 2. 
This species belongs to section B of the genus as defined by Ris. 
