LIST OF ILLUSTRATIONS XIII 



Page. 

 Synalpheus apioccros sanjosci. Frontal and antennal region; spine of large 

 chela; carpus of large cheliped; small cheliped of first pair; meropodite of 

 third pair 29 



Synalpheus apioccros maijagucnsis. Frontal and antennal region; spine of large 



chela; dactyl of third pair; telson 30 



Synalpheus apioccros Iciopes. P>ont.al and antennal region; spine of large chela; 



portion of third foot :iO 



Synalpheus apioccros ckstcrroensis . Frontal and antennal region; spine of large 

 chela; carpus of large cheliped; small cheliped of first pair; meropodite of 

 third pair 31 



Synalpheus lownsendi. Frontal and antennal region; carpocerite; large chela; 

 carpus and meropodite of large cheliped; small cheliped of first pair; foot of 

 second pair; foot of third pair; dactyl of third pair; telson 32 



Synalpheus townsendi productus. Frontal and antennal region 32 



Synalpheus townsendi brerispinis. Frontal and antennal region; carpocerite; 



large chela; dactyl of third pair; telson 33 



Synalpheus townsendi mexicanus. Frontal and antennal region; dactyl of third 



pair; telson 33 



Synalpheus fritzmiilkri. Frontal and antennal region; carpocerite; large chela; 

 carpus and meropodite of large cheliped; small cheliped of first pair; foot of 

 second pair; foot of third pair; dactyl of third pair; reverse of same ; telson.. 36 



Synalpheus fritzmiillcri elongatus. Frontal and antennal region 37 



Synalpheus hemphilli. Foot of third pair, Bermudas; extremity of foot of third 



pair, Albatross station no. 2409 38 



Synalpheus hemphilli longicornis. Frontal and antennal region; extremity of 



third foot 39 



Synalpheus nobilii. Frontal and antennal region; carpocerite; large chela; 

 small cheliped of first pair; foot of second pair; foot of third pair; dactyl of 

 third pair , 40 



Synalpheus sanlucasi. Frontal and antennal region; large chela; foot of second 



pair; foot of third pair; dactyl of third pair 41 



Synalpheus heroni. Frontal and antennal region; large chela; small cheliped of 



first pair; foot of second pair; foot of third j^air 43 



Synalpheus minus. Frontal and antennal region, typical; frontal and antennal 

 region specimen from Bermudas with basicerite spinous above; frontal and 

 antennal region, specimen from station no. 7123 with carpocerite more slender; 

 carpocerite, typical; carpocerite, male, station no. 7123; carpocerite, female, 

 station no. 7123; ,egg; outer maxilliped; large chela, typical; small cheliped 

 of first pair; S. brevicarpus; small cheliped of first pair, typical; small cheliped 

 of first pair, typical (another specimen); foot of second pair; foot of third 

 pair, typical; foot of third pair, S. brevicarpus; foot of third pair, station no. 

 7123; dactyl of third pair, not typical; dactyl of third pair, typical; telson, 

 S. brevicarpus; telson, typical 44 



Synalpheus minus bahiensis. Frontal and antennal region; small cheliped of 



first pair; dactyl of third pair 45 



Synalpheus minus antillensis. Frontal and antennal region; large chela; small 



cheliped of first pair; dactyl of third pair 46 



Synalpheus digueti and S. digueti ecuadorensis . Frontal and antennal region of 

 S. digueti, male of medium size; frontal and antennal region of S. digueti, 

 female of medium size; frontal and antennal region of S. digueti, female of 

 large size; frontal and antennal region of S. digueti ecuadorensis, male; car- 

 pocerite of S. digueti, male; carpocerite of S. digucli, female; carpocerite of 

 S. digueti ecuadorensis; small cheliped of llrst pair of S. digueti, meropodite of 

 third pair of S. digueti 49 



