2Ó0 



K. NAKAZAWA ; 



Explanation of the Plate VIII. 



Fig. I. 



2. 



3- 



4- 



5- 

 6. 



>. 7- 



9 

 io 

 it. 



12 



13 

 14 

 1 5 



1 6. 



i7 

 I 



19 



20, 



2 1 



22, 



23 

 24 

 25, 

 26 



27 



28, 



Anterior parts of StylocJieiron orientalis. 



,, ,, ,, Neomysis japonica. 



„ ,, ,, N. nigra. 



,, ,, ,, yV. spinosa. 

 Male of Anisomysis ijimai. 

 Female of Gastrosaccus vulgaris. 

 Anterior parts of G. kojimaensis. 



„ „ „ Siriella watasei. 



Male of Metamysis mitsukurii. 

 Antennule of Neomysis spinosa. 

 Antenna of Metamysis mitsukurii. 



Rhopalophthalmus egregius Hansen. 

 Labrum and mandible of Metamysis mitsukurii. 

 Mandible of Anisomysis ijimai. 



„ ,, Stylocheiron orientalis. 

 First thoracic limb of Stylocheiron orientalis. 

 Eighth „ „ „ Neomysis nigra. 



x 16. 



8. Sixth 



Eighth 

 Third 



X 12. 



M 



x 16. 



X 12. 



X35- 



,, Metamysis mitsukurii. 

 „ Siriella longipes. 

 ,, Gastrosacctis kojimaensis. 

 ,, StylocJieiron orientalis. 

 Eighth limb of Rhopalophthalmus egregius Hansen. 

 First pleopod of female Gastrosaccus vulgaris. 



Second 

 Fourth 



male 



Neomysis japonica. 

 Metamysis mitsukurii. 

 Anisomysis ijimai. 

 ,, mixta. 



