1912] The Glass Shrimps (Pasiphæa) in Northern Waters. 



% 



65 



60 



55 



50 



• Pasiphæa multidentata , measured by Sund. 

 ø — tarda, — - — 



. — principalis, — - — 



o — — - Kemp. 















o 











o 

 i o o $■ + 



o oo ® 



ooo 

 o + 



o + +■ 



+ ++ + 



-rrrm 5 10 15 50 25 50 35 40 45 50 55 ^ 



Fig. 3. Cr = median dorsal length of carapace, A = dorsal length of abdomen 



excluding telson. The ordinates represent the ratio Cr : A as °/ of A, the ab- 



scissac represent Cr. The carapace grows longer with age. 









P prlncipaiis 











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o o 



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o o 



08 



ooo o o 

 ooo o ooooooo oo oo 







o • 







5 mm. 10 



15 



20 



2b 30 35 40 



P tarda 



45 



50 



55 



6o e. 





o 



o 



o 8 o 

 oe oeooo o 

 o oo ooooo ooo o 



• o 



o o 







5 -mm 10 



15 



20 



25 30 35 40 



P mult iden! at a 



Ab 



50 



55 



60 a. 



o 



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 ooo oo o 



o 



o 8 



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8 8 8 8 



o8§8§ 



8 



o c 



8 8 i 



o < 



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5 mm 10 



15 



20 



25 50 35 40 



45 



50 



55 



60 C 



Fig. 4. Each black spot denotes an egg-bearing individual, each ring denotes 

 an individual without eggs. The abscissae represent lateral length of carapace 



(C) in millimetres. 



