14 



DISCOVERY REPORTS 



again divided at end. Lateral process short, at right angles to carapace, with long spines 

 near base. Posterior process stout, with three pairs of spines. Telson branches slender, 

 very divergent, spine 5 shorter than spine 4. 



a ' ' b 



Fig. 6. S. cormitiis. a, Elaphocaris i ; b, Elaphocaris 2. 



Elaphocaris 2 (Fig. 6 b). Length 1-3 mm. Rostrum 0-98 mm. 



Rostrum very long, with four pairs of lateral and two ventral spines. Posterior process 

 very long, with two pairs of spines. Telson branches divergent, about twice as long as 

 wide, spine 5 shorter than spine 4. 



Eye very large, asymmetrical, greatest width of eyeball nearly equal to length of eye. 

 Eyestalk with small anterior papilla. Labral spine large. 



Elaphocaris 3 (Fig. 7 a, b). Length 2-5 mm. Rostrum i-o mm. 



Rostrum very much longer than antennule, without lateral spines, but with two long 

 and five short ventral spines. Supraorbital process slender, with numerous spines 

 (12-19). Lateral process slender, with 12-14 spines. Posterior process reaching to end 

 of body ; with four pairs of spines. 



Abdominal somites with very small pleural points. Telson branches almost at right 

 angles to body-axis ; spine 5 shorter than spine 4. 



Eye very large, as in stage 2. 



Colour. In stage i the body is colourless except for a trace of vermilion in gastric 

 region and in eye, and a patch of brownish orange in base of anterior horns. In stages 2 



