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181
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Freshwater triclads (Turbellaria) of North America VI: the genus Dendrocoelopsis.
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183
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184
Conspectus of the benthic marine algae of the Gulf of California : Rhodophyta, Phaeophyceae, and Chlorophyta /
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185
Phylogenetic relationships of the earliest anisostrophically coiled gastropods /
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186
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A monograph of the genus Eperua (Leguminosae : Caesalpinioideae) /
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188
A monograph of the lichen genus Parmelina Hale (Parmeliaceae) /
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189
A revision of the lichen family Thelotremataceae in Panama /
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190
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191
A monograph of the lichen genus Bulbothrix Hale (Parmeliaceae) /
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192
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194
Study of the monotypic fish family Pholidichthyidae (Perciformes)
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195
The natural history of the Central American agouti (Dasyprocta punctata)
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196
Synopsis of the families and genera of crayfishes (Crustacea: Decapoda)
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197
The systematics, postmarsupial development, and ecology of the deep-sea family Neotanaidae (Crustacea: Tanaidacea)
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198
Studies of neotropical caddisflies, XVIII new species of Rhyacophilidae and Glossosomatidae (Trichoptera) /
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199
On the Caobangiidae a new family of the Polychaeta, with a redescription of Caobangia billeti Giard /
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200
Ostracoda (Myodocopina) of Cape Cod Bay, Massachusetts
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