TABLE OF CONTENTS. xxiii 



PAGE 



Order VI. — Simple Monstrosities through Abnormal Posi- 

 tion and Form of Parts 398 



Order VII. — Simple Monstrosities through Excess in For- 

 mation ' 398 



Order VII I. — Hermaphrodites 398 



Class II. — Treble and Double Monstrosities 399 



Order I. — Trigeminal Monstrosities 399 



Order II. — Monsters with Two Heads. 399 



Order III. — Double-headed Monstrosities, with the Trunk 



Wholly or Partially Double 400 



Order IV. — Monstrosities with a Single Head, but the 



Trunk or Limbs more or less Completely Double 400 



Order V. — Monstrosities with a Single Head and Trunk, 



and more than Four Limbs 400 



Order VI. — Monstrosities with the Head, Trunk, and Limbs 



more or less Completely Double 401 



Origin of Monstrosities, and the Laws of Teratology 411 



Frequency of Monstrosities 416 



Distorted Monstrosities 417 



Cyclopian Monstrosity 417 



Pseudencephalian Monstrosity 418 



Double-headed Monstrosities 418 



Celosomian Monstrosities 420 



Diagnosis 420 



Prognosis 421 



Extraction 421 



Double and Triple ALonstrosities 424 



Diagnosis 424 



Extraction 425 



CHAPTER IV.— DYSTOKI A FROM MULTIPARITY 427 



Diagnosis 429 



Extraction 429 



GROUP IL— DYSTOKIA FROM MALPRESENTATION OR 



MALPOSITION OF THE FCETUS ..432 



CHAPTER I.— DYSTOKIA DEPExNDING ON THE ANTE- 

 RIOR PRESENTATION 440 



Section I. — Dystokia Due to the Fore-limbs : 441 



1. Anterior Limbs Incompletely Extended in the Pelvis 441 



Indications 441 



2. Fore-limbs Crossed Over the Neck 441 



Indications 442 



3. Fore-limbs Flexed at the Knees 443 



Indications 444 



4. Fore-limbs Completely Retained 447 



Indications _. 449 



