98 GOBIID^. 



g. Young. Port Essington. From the Haslar Collection. 

 h-l. Two to three inches long. North Austrahan Expedition. Pre- 

 sented by Dr. J. E. Elsey. — None have a dorsal spine produced. 

 m. Young. 



Var. /3. P. DIPT7S. 



Syn. — Periophthalmus koelreuteri, Bleeh. Blenn. en Gob. p. 252. 

 dipus, Bleek. Banten, p. 320. 



Light olive-brown, with the dark spots on the back (which occur 

 also in the other varieties) more distinct ; head with numerous, body 

 with scattered bluish dots. The spinous dorsal violet, brown in the 

 middle, white-spotted inferiorly. 



Coasts of Java, West Sumatra, and Floris. 



Var. y. P. AEGENTILINEATTTS. 



• Syn. — Periophthalmus argentilineatus, Cuv. Sf Val. xii. p. 191 ; Bkek. 

 Amboina '8f Ceram, p. 276. 

 ? Periophthalmus kallopterus, Bleek. Ajnhoina, iv. p. 342. 



Light olive-brown, with indistinct darker spots on the back ; head 

 with silvery specks ; silvery vertical streaks along the lower side of 

 the body and tail. The first dorsal blackish-violet, with a black 

 band near, and parallel to, the margin, which is transparent ; the re- 

 mainder of the fin sometimes entirely white-spotted. The lower half 

 of the soft dorsal and the interior surface of the ventrals white- 

 dotted ; pectoral and caudal with brown dots. 



Irawaddy ; East Indian Archipelago ; Feejee Islands ; Waigiou. 



The largest of the specimens is four inches and one-third long. 



«. Half-grown : not good state. Java. 



6. Adult. Amboyna. Purchased of Mr. Frank. 



c, d~e. HaK-grown and young. Borneo. 



/, g-i. Half-grown. Feejee Islands. 



Var. I. P. MODESTus, 



Syn. — ? Apocryptes cantonensis, Osbeck, Reise nach China, p. 171. 



Periophthalmus modestus, Cant. Ann. Nat. Hist. 1842, ix. 



p. 29; RicJiarcU. Ichth. Chin. p. 208. 

 modestus, Schhg. Faun. Japon. Poiss. p. 147. pi. 76. fig. 2 ; 



Richards. Ichth. Chin. p. 319 ; Bleeh. Act. Soc. Sc. Indo- 



Nederl. vi., Japan, vi. p. 82. 



Light olive-brown ; head with silveiy, body with brown specks. 

 The first dorsal blackish, with a more or less distinct oblong black 

 spot near the margin ; the black band on the second dorsal generally 

 not white-edged ; the other fins, except the anal, brown-dotted ; 

 caudal and anal sometimes blackish, with light margins. 



Coasts of China and Japan. 



The largest specimen is three inches long. 



a. Half-grown. Ningpo. Purchased of Mr. Cuming. 

 h, c. Half-grown and young. Hong-kong. Presented by J. C. 

 Bowring, Esq. 



