446 ME. p. W, BASSBTT-SMITH Olf [-^P^*- l^J 



backwards ou either side by two elongated blunted processes. 

 Abdomen long, consisting o£ two joints terminating in two minute 

 caudal plates. 



(1) Synestius caliginus. 2 • 



Synestuis caliginus Stp. & Liitk. Bidrag til Kundskab, 1861, 

 p. 364, pi. vi. fig. 11. 



Host : gills of Stromateus paru Bl. [S. niger]. Indian Ocean. 



G. 4. Caligodes Heller. 



Carapace very small, rounded. Frontal border with minute 

 lunulsB. First and fourth thoracic limbs uniramose ; second and 

 third biramose. Genital segment flask-shape, produced forwards 

 as a long neck, posteriorly elongated into tvfo divergent leaf-like 

 processes. Abdomen large, broad, with two minute caudal plates. 



(1) Caligodes laoiniatus. $ . 

 Chondracantlius ladniatus Kllr. 



Scicenophilus „ Kr. Bidrag til Kundskab, 1863, p. 153, 



pi. viii. fig. 3. 

 Caligodes „ Hfeller, Eeise d. Novara, 1865, p. 180, 



Host : Belone sp. Indian Ocean. 



(2) Caligodes cakangis. $ . 



Caligodes carangis B.-S. Ann. & Mag. N. H. ser. 7, vol. ii. 1898, 

 p. 364, pi. xi. fig. 4. 

 In Coll. Brit. Mus. 

 Host : Caranoo ferdau. Aden. 



G. 5. Caligus Miiller. 



Carapace large, scutiform. Frontal border provided with lunulas. 

 First and fourth thoracic limbs uniramose ; second and third bira- 

 mose. Fourth thoracic segment free, small, without dorsal plates. 

 Genital segment without plates or processes. Abdomen with two 

 terminal caudal plates. 



Division 1. Abdomen with single joint. 



(1) Caligus abbeeviatus. $ S . 



Caligus abbreviatus Kr. Bidrag til Kundskab, 1863, p. 61, pi. iii. 

 fig. 4. 



Host : Labrus bergylta [L. maculatus]. Bergen. 



(2) Caligus paevus. $ j. 



Caligus parvus B.-S. Ann. & Mag. N. H. ser. 7, vol. i. 1898, 

 p. 5, pi. ii. fig. 1. 

 In CoU. Brit. Mus. 

 Host : gills of Tetrodon oblongws. Bombay. 



