TABLE OF CONTENTS.
Percy E. Raymond
Historical review
17
Part I. The appendages of trilobites
20
Terminology
20
The appendages of
Neolenus
21
Historical
21
Neolenus serratus
(Rominger)
21
Cephalon
21
Thorax
22
Pygidium
23
Epipodites and exites
23
Description of individual specimens
23
Restoration of
Neolenus
30
Nathorstia transitans
Walcott
31
The appendages of
Isotelus
32
Historical
32
Isotelus latus
Raymond
34
Isotelus maximus
Locke
35
Restoration of
Isotelus
37
Isotelus gigas
Dekay
37
Isotelus arenicola
Raymond
39
The appendages of
Triarthrus
(see also
Part IV
)
39
Triarthrus becki
Green
39
Historical
40
Restoration of
Triarthrus
42
Relation of cephalic appendages to marking on dorsal surface of glabella
43
Anal plate
44
The appendages of
Ptychoparia
45
Ptychoparia striata
(Emmrich
)
45
Ptychoparia cordillerÆ
(Rominger
)
45
Ptychoparia permulta
Walcott
45
The appendages of
Kootenia
46
Kootenia dawsoni
Walcott
46
The appendages of
Calymene
and
Ceraurus
46
Historical
46
Comparison of the appendages of
Calymene
and
Ceraurus
with those of
Triarthrus
47
Spiral branchiÆ
48
Ventral membrane
50
Appendifers
51
Calymene senaria
Conrad
52
Cephalic appendages
52
Thorac href="@public@vhost@g@html@files@41695@41695-h@41695-h-10.htm.html#BIBLIOGRAPHY" class="pginternal">Bibliography
163
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