PLATE C. 



Alpheus intrinsecas (p. 557). 

 Fig. 1. Lateral view ; female, enlarged three times. 

 „ lc. Cephalon, frontal region. 



„ lc". Cephalon ; b, first antenna ; c, second antenna. 

 ,, Ik. First pereiopod ; smaller chela. 

 „ Iq. Second pleopod, with ova attached. 

 „ lz. Telson. 



AIj)heus minus (p. 558). 

 „ 2. Lateral view ; enlarged four times. 

 „ 2k. First pereiopod ; larger chela. 

 ,, 2k". First pereiopod ; pollex and dactylos. 



Alphcus spiniger (p. 560). 



„ 3. Lateral view ; enlarged three times. 



,, 3c. Cephalon, with first and second anteimse. 



„ Zk. First pereiopod ; larger chela. 



„ 3k'. First pereiopod ; smaller chela, left. 



„ 3k". First pereiopod, showing form of dactylos. 



,, 3m. Third pereiopod ; dactylos. 



„ 3z. Telson. 



