12 Bulletin Vanderbilt Marine Museum, Vol. VI 



Page Plate 



monoceros 71 18 



macleayi 75 19, t. f . 3 



Genus Parapenaeopsis 80 



sculptilis 80 20, t. f . 4 



gracillima 84 21 



Genus Peneus 87 



monodon 87 22,t. f. 5 



indicus 91 23, t. f . 6 



merguiensis 96 24, t. f . 7 



Family Sergestidae 101 



Subfamily Sergestinae 101 



Genus Acetes 101 



indicus 101 25,t. f. 8 



Family Pasiphaeidae 105 



Genus Leptochela 105 



pellucida 105 26, 27 



Family Rhynchocinetidae 109 



Genus Rhynchocinetes 109 



hendersoni 109 28,29 



Family Pandalidae 113 



Genus Plesionika 113 



binoculis 113 30 



Genus Parapandalus 115 



serratifrons 115 



Family Alpheidae 119 



Genus Athanas 119 



djiboutensis 119 31 



gracilis 122 32 



Genus Alpheus 126 



Macrochirus Group 126 



ventrosus 126 33,t.f. 9 



braschi 131 34,t.f.l0 



Crinitus Group 135 



obesomanus 135 35 



explorator 139 36, t. f. 11 



Brevirostris Group 142 



rapax „ 142 37 



new species, 1 146 



new species, 2 „ 148 



Family Palaemonidae 150 



Genus Palaemon 150 



Subgenus Eupalaemon 150 



lar „. 150 38 



carcinus 154 39 



Subgenus Parapalaemon 157 



aemulus 157 40 



