STUDIES IN NEOTROPICAL MALLOPHAGA—CARRIKER 23] 
Megaginus emarginatus excavatus, new subspecies. 
Heptapsogaster ineapectata benii, new subspecies. 
Heptapsogaster platycephalus platycephalus Carriker. 
Pectenosoma verrucosa inconspicua, new subspecies. 
Crypturellus soui meserythrus (P. L. Sclater) : 
Strongylocotes subconiceps subconiceps Carriker. 
Megaginus emarginatus lataclypeus, new subspecies. 
Rhopaloceras rudimentarius Carriker. 
Heptapsogaster mandibularis tapicollae, new subspecies 
Pectenosoma verrucosa meserythra, new subspecies. 
Crypturellus soui modestus (Cabanis) : 
Heptarthrogaster costaricensis, new species. 
Crypturellus soui mustelinus (?) (Bangs) (Sierra Perijaé, Colombia) : 
Strongylocotes subconiceps perijae, new subspecies. 
Rhopaloceras rudimentarius Carriker. 
Heptapsogaster mandibularis mottlonensis, new subspecies. 
Crypturellus soui nigriceps (Chapman) : 
Megaginus emarginatus dissimilis, new subspecies. 
Rhopaloceras rudimentarius Carriker. 
Heptapsogaster mandibularis nigriceps, new subspecies. 
Pectenosoma verrucosa nigriceps, new subspecies. 
Crypturellus soui panamensis (Carriker) : 
‘Physconella kelloggi kelloggi (Paine). 
Crypturellus tataupa tataupa (Temminck) : 
Pseudolipeurus tataupicola, new species. 
Megaginus emarginatus emarginatus Carriker. 
Rhopatoceras pennaticeps (Paine and Mann). 
Heptapsogaster mandibularis mandibularis Carriker. 
Pectenosoma verrucosa parva Carriker. 
Crypturellus undulatus undulatus (Temminck) : 
Heptapsogaster inexpectata undulata, new subspecies. 
Heptapsogaster temporalis temporalis Carriker. 
Hepitarthrogaster latacephalus, new species. 
Pectenosoma verrucosa yapurae, new subspecies. 
Crypturellus undulatus yapura (Spix) : 
Heptapsogasier mandibularis yapurae, new subspecies. 
Pectenosoma verrucosa yapurae, new subspecies. 
Crypturellus variegatus salvini (Salvadori) : 
Pectenosoma verrucosa verrucosa (Taschenberg). 
Crypturellus variegatus variegatus (Gmelin) : 
Strongylocotes complanatus setifer Hopkins. 
Pectenosoma verrucosa verrucosa (Taschenberg). 
Rhynchotus rufescens maculicollis (G. R. Gray) : 
Strongylocotes lipogonus alticola, new subspecies. 
Docophorocotes sexsetosus secundus, new subspecies. 
Rhynchotus rufescens rufescens (Temminck) : 
Strongylocotes lipogonus lipogonus (Nitzsch). 
Nothoprocta branickii Taczanowski : 
Cuclotocephalus extraneus exiraneus Carriker. 
Lamprocorpus hirsutus Carriker. 
Nothoprocta cinerascens (Burmeister) : 
Menacanthus nothoproctae, new species. 
Rhyncothura heterura, new species. 
