16 Carl Bovallius, 



3. Syiiopia Schecleana. N. sp. 



(PI. II, tig. 22 — 29.) 



Dcriv. Tlie name in liouor of Captain George, von Selieele, the zealous collector of 

 pelagic animals for the University of Upsala. 



Diagn. Caput triiingularo, longitudine latituclincm jequans. 



OcuU parvi siipplcinentarii, siiiguli, supra bases antennarnm priiiii i)aris siti. 

 Antennce privn parts cpiain ])ereion longioros; flagclluni seciuulariuin longi- 

 tudine articuluin ])riiuuni flagelli (veri) hand aquans. 

 Se<>mentum prinium percii secundum longitudine tequans; sextum se])tinio hre- 



vius, septimum omnium longissimum. 

 Femora paris quinti pedum pereii ovata, femora paris sexti cireularia. 

 Peduneuli pechtni plei eylindriei. 

 Segmentimi primmii ari secundo ter longius. 



Rami ultimi paris jwditin iiri intequales, margine toto interno setis instructo. 

 Tdson latum, ovatum, in apiee rotundatum. 



The head is triangular, as broad as long. 



A small secondary eye on each side of the head, at tlie base of 

 the first pair of antennae. 



The first imir of antennca are longer than the pereion ; the secon- 

 dary flagellum shorter than the first joint of the true flagellum. 



The first pereional segment is as long as the second; the sixth 

 is shorter than the seventh, which is the longest. 



The femora of the fifth pair of pereiopoda are ovate, thoK(^ of 

 the sixth pair circular. 



The peduncles of the pleopoda arc cylindrical. 



The first ural segment is three times longer than the second. 



The rami of the last pair of uropoda are unequal in length, fringed 

 with hairs along the whole length of the inner margins. 



The telso7i is broad, ovate, rounded at the ends. 



Synopia Sch^eleana is intermediate between 5. ultramarina and 

 S. gracilis^ but is perhaps more allied to the last. It differs from it 

 in the following characteristics: the supplementary eyes, the short se- 

 condary flagellum of the first pair of antenna3, the circular form of the 

 femur of the sixth pair of pereiopoda, the length of the same pair in 

 comparison with tlio seventh; the equal hnigth of llie rami of the last 

 pair of uropoda. The differences from S. ultramarina will be men- 

 tioned below. 



